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

What is the season of the game which causes the player 'Walter Samuel' to get injured?
SELECT T1.season FROM game AS T1 JOIN injury_accident AS T2 ON T1.id = T2.game_id WHERE T2.player = 'Walter Samuel'
SELECT "T1"."season" FROM "game" "T1" JOIN "injury_accident" "T2" ON "T1"."id" = "T2"."game_id" AND "T2"."player" = 'Walter Samuel'