How many scores were there for the home team when the  away team was fitzroy?
CREATE TABLE "round_1" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "ground" text,
  "date" text
);
SELECT COUNT("home_team_score") FROM "round_1" WHERE "away_team"='Fitzroy';