CREATE TABLE table_name_54 (event VARCHAR, method VARCHAR, opponent VARCHAR)

What is Event, when Method is 'Submission (Armbar)', and when Opponent is 'Jason St. Louis'?
SELECT event FROM table_name_54 WHERE method = "submission (armbar)" AND opponent = "jason st. louis"
SELECT "event" FROM "table_name_54" WHERE "jason st. louis" = "opponent" AND "method" = "submission (armbar)"