user: Question: Which Competition has a Result of W, and a Score of 2-0, and a Date of May 9, 1954?
Columns: ['Date', 'Result', 'Score', 'Brazil scorers', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['February 28, 1954', 'W', '2-0', 'Baltazar (2)', 'World Cup Qualifying']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Result" = 'W' AND "Score" = '2-0' AND "Date" = 'May 9, 1954';