query: SELECT DISTINCT T1.LName FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  PRESIDENT_Vote EXCEPT SELECT DISTINCT LName FROM STUDENT WHERE Advisor  =  "2192"
question: Finding the distinct last name all student has a president vote and so whose-all a advisor ain't 2192.
query_toks: SELECT DISTINCT T1.LName FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID = PRESIDENT_Vote EXCEPT SELECT DISTINCT LName FROM STUDENT WHERE Advisor = `` 2192 ''
query_toks_no_value: select distinct t1 . lname from student as t1 join voting_record as t2 on t1 . stuid = president_vote except select distinct lname from student where advisor = value
question_toks: Finding the distinct last name all student has a president vote and so whose-all a advisor ain't 2192.