Error when creating table in Oracle Sql

I am consistently getting an error telling me that there are too many values being inserted however this is clearly not the case. Can anybody help me. Here is my code. Currently the error message is INSERT INTO a2_account VALUES * ERROR at line 1: ORA-00913: too many values

    DROP TABLE a2_loanr;
    DROP TABLE a2_accr;
    DROP TABLE a2_customer;
    DROP TABLE a2_account;
    DROP TABLE a2_loan;
    DROP TABLE a2_bankbranch;
    DROP TABLE a2_bank;

    CREATE TABLE a2_bank (
           routingcode   VARCHAR(200)  PRIMARY KEY,
           name          VARCHAR(200)  NOT NULL,
           address       VARCHAR(200)  NOT NULL
    );

    INSERT INTO a2_bank VALUES
    ( '123456',' Stan walker', '3 gladstone rd');
    INSERT INTO a2_bank VALUES
    ( '123556',' Sam ben', '5 gladstone rd');
    INSERT INTO a2_bank VALUES
    ( '1256',' Stacy talker', '4 gladstone rd');


    CREATE TABLE a2_bankbranch (
    branch_num     VARCHAR(200)  PRIMARY KEY,
    name           VARCHAR(200)  NOT NULL,
    address        VARCHAR(200)  NOT NULL
    );
    INSERT INTO a2_bankbranch VALUES
    ( 'Ben Heir', '5', '3 gladstone rd');
    INSERT INTO a2_bankbranch VALUES
    ( 'Kane Wen', '4', '28 stevee rd');

    CREATE TABLE a2_loan (
    loan_num       VARCHAR(200)  PRIMARY KEY,
    type           VARCHAR(200)  NOT NULL,
    amount         VARCHAR(200)  NOT NULL,
    contract_date  DATE          NOT NULL
    );

    INSERT INTO a2_loan VALUES
    ( '323', 'Mortgage', '$2000000', TO_DATE('11-03-1994', 'DD-MM-YYYY') );
    INSERT INTO a2_loan VALUES
    ( '33', 'Car', '$2000', TO_DATE('12-08-1994', 'DD-MM-YYYY') );
    INSERT INTO a2_loan VALUES
    ( '3243', 'Pesonal', '$875', TO_DATE('14-06-1994', 'DD-MM-YYYY') );
    INSERT INTO a2_loan VALUES
    ( '6', 'Mortgage', '$400500', TO_DATE('11-06-1994', 'DD-MM-YYYY') );

    CREATE TABLE a2_account (
    acc_num       VARCHAR(20)  PRIMARY KEY,
    type           VARCHAR(20)  NOT NULL,
    balance         VARCHAR(10)  NOT NULL
    );
    INSERT INTO a2_account VALUES
    ( '2539267332', 'Savings', '20');
    INSERT INTO a2_account VALUES
    ( '8237893378', 'Cash', '300');
    INSERT INTO a2_account VALUES
    ( '2378723936', 'Cheque', '75');

    CREATE TABLE a2_customer (
    ird_num         CHAR(8)  PRIMARY KEY, 
    name            VARCHAR(200)  NOT NULL,
    address         VARCHAR(200)  NOT NULL,
    phone           VARCHAR(20)
    );
    INSERT INTO a2_customer VALUES
    ( '25362672', 'Stan Yel', '5 Wanna way', '02010201');
    INSERT INTO a2_account VALUES
    ( '83783783', 'Cam Birch', '34 Trada st', '02302020202');
    INSERT INTO a2_account VALUES
    ( '23723367', 'Jeff King', '5 Queens st', '38982383');
    INSERT INTO a2_account VALUES
    ( '54637822', 'John Smith', '24 Queen st', '38922383');


    CREATE TABLE a2_accr (
    ird_num                CHAR(8)  NOT NULL UNIQUE,
    account_num            CHAR(10)  NOT NULL UNIQUE
    );
    INSERT INTO a2_accr VALUES
    ( '25362672', '2537626722');
    INSERT INTO a2_accr VALUES
    ( '83783783', '8237832783');

    CREATE TABLE a2_loanr (
    ird_num                CHAR(8)  NOT NULL UNIQUE,
    loan_num            CHAR(10)  NOT NULL UNIQUE
    );
    INSERT INTO a2_loanr VALUES
    ( '54637822', '323');
    INSERT INTO a2_loanr VALUES
    ( '23723367', '33');

    COMMIT;