user: Question: What is the episode number of "Dance Cards and Greeting Cards"?
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [139.0, '1', '"FYI: I Hurt, Too"', 'James Burrows', 'David Flebotte & Alex Herschlag', 'September16,2004', '15.5']
SQL:

assistant: SELECT "Series #" FROM "Table" WHERE "Title" = '"Dance Cards and Greeting Cards"';