user: Question: What was the official rating 16-39 of episode 9?
Columns: ['Episode', 'Date', 'Official rating 4+', 'Share 4+', 'Official rating 16-39', 'Share 16-39']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '8 March 2009', '4 319 529', '25,14%', '1 949 470', '24,34%']
SQL:

assistant: SELECT "Official rating 16-39" FROM "Table" WHERE "Episode" = 9.0;