Find the distinct majors of students who have treasurer votes.
SELECT DISTINCT T1.Major FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  T2.Treasurer_Vote
SELECT DISTINCT T1.Major FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  T2.Treasurer_Vote
[{'Major': 50}, {'Major': 520}]