user: Question: who is the constructor when the driver is Juan Pablo Montoya?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine †', 'Tyre', 'Driver', 'Rounds', 'Free Practice driver(s)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Scuderia Ferrari Marlboro', 'Ferrari', 'F2002 F2003-GA', 'Ferrari 051 Ferrari 052', 'B', 'Michael Schumacher', 'All', 'N/A']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Driver" = 'Juan Pablo Montoya';