user: Question: What is the latest year a ride opened that was manufactured by Zamperla, was a Convoy Ride, and had a name of Tiny Truckers?
Columns: ['Ride Name', 'Type', 'Opened in', 'Themed Land', 'Manufacture']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Flying Jumbos', 'Mini Jet Red Baron', 1987.0, 'Zufari', 'Zamperla']
SQL:

assistant: SELECT MAX("Opened in") FROM "Table" WHERE "Manufacture" = 'Zamperla' AND "Type" = 'Convoy Ride' AND "Ride Name" = 'Tiny Truckers';