user: Question: What year for Geelong player John Roberts?
Columns: ['Player', 'Team', 'Opponent', 'Year', 'Score']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Billy Schmidt', 'St Kilda', 'Carlton', 1913.0, '70–69']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Opponent" = 'Geelong' AND "Player" = 'John Roberts';