user: Question: What is the title of the episode with a production code of K1504?
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [53.0, 1.0, '"A Time of Faith (Part 1)"', 'Frederick K. Keller', 'August 29, 1996', 'K1501']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "Production code" = 'K1504';