how many times is the home team wollongong hawks?
CREATE TABLE "round_9" (
  "date" text,
  "home_team" text,
  "score" text,
  "away_team" text,
  "venue" text,
  "crowd" real,
  "box_score" text,
  "report" text
);
SELECT COUNT("crowd") FROM "round_9" WHERE "home_team"='wollongong hawks';