Who had the fastest lap in round 15?
CREATE TABLE table_2911781_3 (fastest_lap VARCHAR, rd VARCHAR)
SELECT fastest_lap FROM table_2911781_3 WHERE rd = 15
### Context: CREATE TABLE table_2911781_3 (fastest_lap VARCHAR, rd VARCHAR) ### Question: Who had the fastest lap in round 15? ### Answer: SELECT fastest_lap FROM table_2911781_3 WHERE rd = 15