user: Question: What were the quarterfinals in the round of 32 was  S Williams / V Williams ( USA ) L 6–4, 5–7, 1–6?
Columns: ['Athlete', 'Event', 'Round of 64', 'Round of 32', 'Round of 16', 'Quarterfinals']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Iveta Benešová', 'Singles', 'Mirza ( IND ) W 6–2, 2–1 r', 'V Williams ( USA ) L 1–6, 4–6', 'Did not advance', 'Did not advance']
SQL:

assistant: SELECT "Quarterfinals" FROM "Table" WHERE "Round of 32" = 'S Williams / V Williams ( USA ) L 6–4, 5–7, 1–6';