CREATE TABLE table_27250813_1 (original_air_date VARCHAR2, production_code VARCHAR2)

How many times did an episode with a production code of 12003 was aired?
SELECT COUNT(original_air_date) FROM table_27250813_1 WHERE production_code = 12003
SELECT COUNT("original_air_date") FROM "table_27250813_1" WHERE "production_code" = 12003