CREATE TABLE table_204_684 (id DECIMAL, "wrestler:" TEXT, "times:" DECIMAL, "date:" TEXT, "location:" TEXT, "notes:" TEXT)

when did steve corino win his first wsl title ?
SELECT "date:" FROM table_204_684 WHERE "wrestler:" = 'steve corino' ORDER BY "date:" LIMIT 1
SELECT "date:" FROM "table_204_684" WHERE "wrestler:" = 'steve corino' ORDER BY "date:" NULLS FIRST LIMIT 1