Question: Show the game name that has most number of hours played.
Schema: create table plays_games (gameid varchar, PRIMARY KEY (gameid)); create table video_games (gameid varchar, PRIMARY KEY (gameid))
SQL: select gname from plays_games as t1 join video_games as t2 on t1.gameid = t2.gameid group by t1.gameid order by sum(hours_played) desc limit 1