请生成SQL语句 字段有pid pname sex cardnum phone username 内容任意 所属用户username从A1~A5中随机选中

假设要生成的SQL语句用于向名为table_name的表中插入数据，SQL语句如下所示：

INSERT INTO table_name (pid, pname, sex, cardnum, phone, username)
VALUES (value1, value2, value3, value4, value5, (SELECT username FROM (SELECT 'A1' AS username UNION SELECT 'A2' AS username UNION SELECT 'A3' AS username UNION SELECT 'A4' AS username UNION SELECT 'A5' AS username) AS temp ORDER BY RAND() LIMIT 1));

请注意，上述SQL语句中的table_name需要替换为实际表的名称，而value1, value2, value3, value4, value5需要替换为实际数据的值。