user: Question: What was the maximum rank-final score on the Floor Exercise?
Columns: ['Year', 'Competition', 'Location', 'Apparatus', 'Rank-Final', 'Score-Final', 'Rank-Qualifying', 'Score-Qualifying']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'real', 'text']
Sample row: [2011.0, 'World Cup', 'Ghent', 'Uneven Bars', 3.0, '15.350', 1.0, '15.350']
SQL:

assistant: SELECT MAX("Rank-Final") FROM "Table" WHERE "Apparatus" = 'Floor Exercise';