What is the largest WNBA game average with 9,290 (4th) is the average, and less than 157,934 is the total for the year?
CREATE TABLE "regular_season_attendance" (
  "year" real,
  "average" text,
  "high" real,
  "sellouts" real,
  "total_for_year" real,
  "wnba_game_average" real
);
SELECT MAX("wnba_game_average") FROM "regular_season_attendance" WHERE "average"='9,290 (4th)' AND "total_for_year"<'157,934';