user: Question: What is the most recent year with a position of 3rd?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2008.0, 'World Race Walking Cup', 'Cheboksary , Russia', '5th', '20 km']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Position" = '3rd';