Table schema:
CREATE TABLE table_10935548_1 (production_code VARCHAR, written_by VARCHAR, original_air_date VARCHAR)

Question: What is the production code of the episode written by José Molina that aired on October 12, 2004?
SQL: SELECT production_code FROM table_10935548_1 WHERE written_by = "José Molina" AND original_air_date = "October 12, 2004"