user: Question: From what series was the title with a production number of 1614 that was directed by Friz Freleng?
Columns: ['Title', 'Series', 'Director', 'Production Number', 'Release date']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['I Was a Teenage Thumb', 'MM', 'Chuck Jones Co-Dir: Maurice Noble', 1578.0, '1963-01-19']
SQL:

assistant: SELECT "Series" FROM "Table" WHERE "Director" = 'Friz Freleng' AND "Production Number" = 1614.0;