user: Question: If the RR Rate is less than 0.75 with a result of RR:08,09, what is the average appeared?
Columns: ['Player', 'Result', 'Appeared', 'RR W–L', 'RR W Rate']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Victoria Azarenka', 'F:11 SF:12 RR:09,10,13', 5.0, '07–08', 0.47]
SQL:

assistant: SELECT AVG("Appeared") FROM "Table" WHERE "RR W Rate" < 0.75 AND "Result" = 'RR:08,09';