query: SELECT grade FROM Highschooler GROUP BY grade HAVING count(*)  >=  4
question: Do Show me all grades what which have at least 4 students.
query_toks: SELECT grade FROM Highschooler GROUP BY grade HAVING count ( * ) > = 4
query_toks_no_value: select grade from highschooler group by grade having count ( * ) > = value
question_toks: Do Show me all grades what which have at least 4 students.