query: SELECT Advisor ,  count(*) FROM Student GROUP BY Advisor ORDER BY count(Advisor) DESC LIMIT 1;
question: Which Advisor have most of students? List advisor and the number of students.
query_toks: SELECT Advisor , count ( * ) FROM Student GROUP BY Advisor ORDER BY count ( Advisor ) DESC LIMIT 1 ;
query_toks_no_value: select advisor , count ( * ) from student group by advisor order by count ( advisor ) desc limit value
question_toks: Which Advisor have most of students? List advisor and the number of students.