SELECT count(DISTINCT President_Vote) FROM VOTING_RECORD
SELECT count(DISTINCT President_Vote) FROM VOTING_RECORD <table_name> : Voting_record col : StuID | Registration_Date | Election_Cycle | President_Vote | Vice_President_Vote | Secretary_Vote | Treasurer_Vote | Class_President_Vote | Class_Senator_Vote row 1 : 1001 | 08/30/2015 | Spring | 1004 | 1007 | 1010 | 1035 | 1001 | 1028 row 2 : 1002 | 08/30/2014 | Spring | 1014 | 1007 | 1020 | 1025 | 1021 | 1028 row 3 : 1003 | 08/30/2013 | Spring | 1004 | 1017 | 1030 | 1035 | 1031 | 1028 row 4 : 1004 | 08/30/2013 | Spring | 1024 | 1017 | 1020 | 1035 | 1011 | 1028 row 5 : 1005 | 08/30/2012 | Spring | 1024 | 1017 | 1010 | 1035 | 1021 | 1028 row 6 : 1001 | 08/30/2015 | Fall | 1004 | 1007 | 1010 | 1035 | 1021 | 1028 row 7 : 1002 | 08/30/2014 | Fall | 1004 | 1007 | 1020 | 1035 | 1021 | 1028 row 8 : 1003 | 08/30/2013 | Fall | 1004 | 1017 | 1020 | 1035 | 1031 | 1028 row 9 : 1004 | 08/30/2013 | Fall | 1024 | 1017 | 1020 | 1035 | 1011 | 1018 row 10 : 1005 | 08/30/2012 | Fall | 1024 | 1017 | 1010 | 1035 | 1021 | 1028
col : count(DISTINCT President_Vote) row 1 : 3