query: SELECT first_name ,  department_id FROM employees WHERE last_name  =  'McEwen'
question: Display the first name, and department number for all employees whose last is "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: Display the first name, and department number for all employees whose last is "McEwen".