What was the season number for production code E2110?
CREATE TABLE table_21781578_2 (season_no VARCHAR, production_code VARCHAR)
SELECT season_no FROM table_21781578_2 WHERE production_code = "E2110"
### Context: CREATE TABLE table_21781578_2 (season_no VARCHAR, production_code VARCHAR) ### Question: What was the season number for production code E2110? ### Answer: SELECT season_no FROM table_21781578_2 WHERE production_code = "E2110"