SCHEMA:
CREATE TABLE table_name_57 (studio_host VARCHAR, channel VARCHAR, play_by_play VARCHAR)
USER:
Who is the studio host for the game broadcasted by Fox Sports Net west and has Chick Hearn as the play by play commentator ?

QUERY:
SELECT studio_host FROM table_name_57 WHERE channel = "fox sports net west" AND play_by_play = "chick hearn"