What is the smallest crowd at the Victoria Park Venue?
CREATE TABLE "round_10" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT MIN("crowd") FROM "round_10" WHERE "venue"='victoria park';