CREATE TABLE voting_record (stuid NUMBER, registration_date CLOB, election_cycle CLOB, president_vote NUMBER, vice_president_vote NUMBER, secretary_vote NUMBER, treasurer_vote NUMBER, class_president_vote NUMBER, class_senator_vote NUMBER)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)

Show all the distinct president votes made on 08/30/2015.
SELECT DISTINCT president_vote FROM voting_record WHERE registration_date = "08/30/2015"
SELECT DISTINCT "president_vote" FROM "voting_record" WHERE "08/30/2015" = "registration_date"