Who was the writer of episode 15?
CREATE TABLE table_25800134_4 (writer_s_ VARCHAR, season__number VARCHAR)
SELECT writer_s_ FROM table_25800134_4 WHERE season__number = 15
### Context: CREATE TABLE table_25800134_4 (writer_s_ VARCHAR, season__number VARCHAR) ### Question: Who was the writer of episode 15? ### Answer: SELECT writer_s_ FROM table_25800134_4 WHERE season__number = 15