Who is the publisher of 3D Lemmings?
publisher refers to publisher_name; 3D Lemmings refers to game_name = '3D Lemmings'
SELECT T3.publisher_name FROM game AS T1 INNER JOIN game_publisher AS T2 ON T1.id = T2.game_id INNER JOIN publisher AS T3 ON T2.publisher_id = T3.id WHERE T1.game_name = '3D Lemmings'