user: Question: With 4645 as the production number what was the title?
Columns: ['Title', 'Series', 'Characters', 'Production Num.', 'Release date']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Big Man from the North', 'LT', 'Bosko, Honey', 4500.0, '1931-01-XX']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "Production Num." = 4645.0;