What is the home team score for the team that has a home field of the Telstra Dome?
CREATE TABLE "round_22" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "ground" text,
  "crowd" real,
  "date" text,
  "report" text
);
SELECT "home_team_score" FROM "round_22" WHERE "ground"='telstra dome';