CREATE TABLE table_name_26 (opponent VARCHAR, game VARCHAR, location_attendance VARCHAR, date VARCHAR)

Who is the opponent of game 54, which was in Los Angeles and was before day 18?
SELECT opponent FROM table_name_26 WHERE location_attendance = "los angeles" AND date < 18 AND game = 54
SELECT "opponent" FROM "table_name_26" WHERE "date" < 18 AND "game" = 54 AND "location_attendance" = "los angeles"