user: ### NOW ANSWER:
Question: Who ran the fastest lap in the team that competed in Zolder, in which Ferrari was the Constructor?
Columns: ['Race', 'Date', 'Location', 'Pole Position', 'Fastest Lap', 'Race Winner', 'Constructor', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Argentine Grand Prix', '12 January', 'Buenos Aires', 'Jean-Pierre Jarier', 'James Hunt', 'Emerson Fittipaldi', 'McLaren - Ford', 'Report']
SQL:

assistant: SELECT "Fastest Lap" FROM "Table" WHERE "Constructor" = 'Ferrari' AND "Location" = 'Zolder';