user: Question: What was the fastest lap in a race where Phil Hill had the Pole position and was won by Wolfgang von Trips?
Columns: ['Race', 'Circuit', 'Date', 'Pole position', 'Fastest lap', 'Winning driver', 'Constructor', 'Tyre', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Monaco Grand Prix', 'Monaco', '14 May', 'Stirling Moss', 'Richie Ginther Stirling Moss', 'Stirling Moss', 'Lotus - Climax', 'D', 'Report']
SQL:

assistant: SELECT "Fastest lap" FROM "Table" WHERE "Pole position" = 'Phil Hill' AND "Winning driver" = 'Wolfgang von Trips';