CREATE TABLE game (stadium_id DECIMAL, id DECIMAL, season DECIMAL, date TEXT, home_team TEXT, away_team TEXT, score TEXT, competition TEXT)
CREATE TABLE injury_accident (game_id DECIMAL, id DECIMAL, player TEXT, injury TEXT, number_of_matches TEXT, source TEXT)
CREATE TABLE stadium (id DECIMAL, name TEXT, home_games DECIMAL, average_attendance DECIMAL, total_attendance DECIMAL, capacity_percentage DECIMAL)

How many games are free of injury accidents?
SELECT COUNT(*) FROM game WHERE NOT id IN (SELECT game_id FROM injury_accident)
SELECT COUNT(*) FROM "game" WHERE NOT "id" IN (SELECT "game_id" FROM "injury_accident")