user: Question: When was Sniffles and the Bookworm released?
Columns: ['Title', 'Series', 'Director', 'Production Num.', 'Release date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['The Lone Stranger and Porky', 'LT', 'Bob Clampett', '8743', '1939-01-07']
SQL:

assistant: SELECT "Release date" FROM "Table" WHERE "Title" = 'Sniffles and the Bookworm';