query: SELECT max(Age) ,  min(Age) FROM STUDENT WHERE Major  =  600
question: Do Tell us a age them a most oldest and most youngest student them a-studying major 600.
query_toks: SELECT max ( Age ) , min ( Age ) FROM STUDENT WHERE Major = 600
query_toks_no_value: select max ( age ) , min ( age ) from student where major = value
question_toks: Do Tell us a age them a most oldest and most youngest student them a-studying major 600.