Who wrote episode number 81 in the series?
CREATE TABLE table_25604014_5 (written_by VARCHAR, no_in_series VARCHAR)
SELECT written_by FROM table_25604014_5 WHERE no_in_series = 81
### Context: CREATE TABLE table_25604014_5 (written_by VARCHAR, no_in_series VARCHAR) ### Question: Who wrote episode number 81 in the series? ### Answer: SELECT written_by FROM table_25604014_5 WHERE no_in_series = 81