user: Question: What year did the team based in the city of Winamac join the conference?
Columns: ['School', 'City', 'Team Name', 'County', 'Year Joined', 'Year Left']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Attica', 'Attica', 'Red Ramblers', '23 Fountain', '1947', '1966']
SQL:

assistant: SELECT "Year Joined" FROM "Table" WHERE "City" = 'Winamac';