user: Question: In which championship did the winner have a score of −9 (66-69-73-71=279)?
Columns: ['Year', 'Championship', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1984.0, 'Nabisco Dinah Shore', '−8 (70-73-69-68=280)', 'Playoff 1', 'Pat Bradley']
SQL:

assistant: SELECT "Championship" FROM "Table" WHERE "Winning score" = '−9 (66-69-73-71=279)';