query: SELECT T2.first_name ,  T2.last_name FROM candidates AS T1 JOIN people AS T2 ON T1.candidate_id = T2.person_id
question: what-all are the first name and last name of all candidates?
query_toks: SELECT T2.first_name , T2.last_name FROM candidates AS T1 JOIN people AS T2 ON T1.candidate_id = T2.person_id
query_toks_no_value: select t2 . first_name , t2 . last_name from candidates as t1 join people as t2 on t1 . candidate_id = t2 . person_id
question_toks: what-all are the first name and last name of all candidates?