CREATE TABLE table_2384331_1 (head_coach VARCHAR, arena VARCHAR)

Who is the head coach for the team that plays at Altrincham Ice Dome?
SELECT head_coach FROM table_2384331_1 WHERE arena = "Altrincham Ice Dome"
SELECT "head_coach" FROM "table_2384331_1" WHERE "Altrincham Ice Dome" = "arena"