CREATE TABLE table_name_89 (home_team VARCHAR, road_team VARCHAR, game VARCHAR)

Who was the home team when Boston is the road team in game 4?
SELECT home_team FROM table_name_89 WHERE road_team = "boston" AND game = "game 4"
SELECT "home_team" FROM "table_name_89" WHERE "boston" = "road_team" AND "game 4" = "game"