user: Question: Which year had playoffs of Champion?
Columns: ['Year', 'Division', 'League', 'Reg. Season', 'Playoffs', 'Open Cup']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1988.0, 'N/A', 'ASL', '1st, Southern', 'Final', 'Did not enter']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Playoffs" = 'Champion';