query: SELECT first_name ,  department_id FROM employees WHERE last_name  =  'McEwen'
question: What the first name and department number employee last name McEwen?
query_toks: SELECT first_name , department_id FROM employees WHERE last_name = 'McEwen '
query_toks_no_value: select first_name , department_id from employees where last_name = value
question_toks: What the first name and department number employee last name McEwen?