user: Question: What's the name of the competition where the nationality is Brazil and the voting percentage is N/A?
Columns: ['Rank', 'Player', 'Nationality', 'Team', 'Opponent', 'Score', 'Competition', 'Vote percentage']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1st', 'Hamit Altıntop', 'Turkey', 'Turkey', 'Kazakhstan', '0–2', 'UEFA Euro 2012 qualifying Group A', '40.55%']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Vote percentage" = 'N/A' AND "Nationality" = 'Brazil';