What is the season of the game where a competitor who weighted 73 kg and 180 cm tall, participated?
competitor who weighted 73 kg and 180 cm tall refers to person_id where height = 180 and weight = 73;
SELECT DISTINCT T1.season FROM games AS T1 INNER JOIN games_competitor AS T2 ON T1.id = T2.games_id INNER JOIN person AS T3 ON T2.person_id = T3.id WHERE T3.height = 180 AND T3.weight = 73