query: SELECT hire_date FROM employees WHERE first_name NOT LIKE '%M%'
question: when hire date for those employees whose first name no containing letter M?
query_toks: SELECT hire_date FROM employees WHERE first_name NOT LIKE ' % M % '
query_toks_no_value: select hire_date from employees where first_name not like value
question_toks: when hire date for those employees whose first name no containing letter M?