user: Question: What is the number of matches with an average larger than 6.33, with a rank of 1?
Columns: ['Rank', 'Player', 'County', 'Tally', 'Total', 'Matches', 'Average']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Éamonn Cregan', 'Limerick', '5–18', 33.0, 3.0, 11.0]
SQL:

assistant: SELECT SUM("Matches") FROM "Table" WHERE "Average" > 6.33 AND "Rank" = 1.0;