user: Question: What time was the game played against Cagliari that lasted 16 rounds?
Columns: ['Date', 'Time', 'Round', 'Opponent', 'Ground', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['19 August 2007', '20:45 CET', 'Final', 'Roma', 'Home', '0-1']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Opponent" = 'Cagliari' AND "Round" = '16';