who held the fastes lap in Phoenix, Arizona? 
CREATE TABLE table_2454550_1 (fastest_lap VARCHAR, location VARCHAR)
SELECT fastest_lap FROM table_2454550_1 WHERE location = "Phoenix, Arizona"
### Context: CREATE TABLE table_2454550_1 (fastest_lap VARCHAR, location VARCHAR) ### Question: who held the fastes lap in Phoenix, Arizona?  ### Answer: SELECT fastest_lap FROM table_2454550_1 WHERE location = "Phoenix, Arizona"