user: Question: What class year was the player who played for Buffalo from? 
Columns: ['Player', 'Class Year', 'Position', 'Teams', 'Career', 'Highlight(s)']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Tunch Ilkin', 1980.0, 'Offensive Line', 'Pittsburgh', '1980–1993', '2x Pro Bowl Lineman']
SQL:

assistant: SELECT "Class Year" FROM "Table" WHERE "Teams" = 'Buffalo';