user: Question: What is the highest number of players during 1r year with a clay set and more than 4 aces?
Columns: ['!Aces', 'Player', 'Opponent', 'Round', 'Year', 'Event', 'Surface', 'Sets']
Types: ['real', 'real', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: [1.0, 113.0, 'W', 'Nicolas Mahut', '1R', 2010.0, 'Wimbledon', 'Grass']
SQL:

assistant: SELECT MAX("Player") FROM "Table" WHERE "Year" = '1r' AND "Sets" = 'clay' AND "!Aces" > 4.0;