user: Question: How long has the longest song spent in the top 10?
Columns: ['Entry Date [A ]', 'Single', 'Artist', 'Peak', 'Peak Reached [A ]', 'Weeks in top 10']
Types: ['text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['31 October', '" Meet Me Halfway "', 'The Black Eyed Peas', 1.0, '21 November', 11.0]
SQL:

assistant: SELECT MAX("Weeks in top 10") FROM "Table";