Who wrote the last episode (episode 15) of season 3?
CREATE TABLE table_17861265_1 (written_by VARCHAR, no_in_season VARCHAR)
SELECT written_by FROM table_17861265_1 WHERE no_in_season = 15
### Context: CREATE TABLE table_17861265_1 (written_by VARCHAR, no_in_season VARCHAR) ### Question: Who wrote the last episode (episode 15) of season 3? ### Answer: SELECT written_by FROM table_17861265_1 WHERE no_in_season = 15