CREATE TABLE candidate (candidate_id NUMBER, people_id NUMBER, poll_source CLOB, date CLOB, support_rate NUMBER, consider_rate NUMBER, oppose_rate NUMBER, unsure_rate NUMBER)
CREATE TABLE people (people_id NUMBER, sex CLOB, name CLOB, date_of_birth CLOB, height NUMBER, weight NUMBER)

Return the top 3 greatest support rates.
SELECT support_rate FROM candidate ORDER BY support_rate DESC LIMIT 3
SELECT "support_rate" FROM "candidate" ORDER BY "support_rate" DESC FETCH FIRST 3 ROWS ONLY