user: Question: What is the largest year with an Entrant of Ron Harris / Team Lotus?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1966.0, 'Ron Harris / Team Lotus', 'Lotus 44 F2', 'Cosworth Straight-4', 0.0]
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Entrant" = 'Ron Harris / Team Lotus';