user: Question: What's the total appeared that has an RR Rate less than 0.17?
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 SUM("Appeared") FROM "Table" WHERE "RR W Rate" < 0.17;