Table schema:
CREATE TABLE table_17289604_38 (quarterfinals VARCHAR, round_of_32 VARCHAR)

Question: What were the quarterfinals in the round of 32 was  S williams / V williams ( usa ) l 6–4, 5–7, 1–6?
SQL: SELECT quarterfinals FROM table_17289604_38 WHERE round_of_32 = "S Williams / V Williams ( USA ) L 6–4, 5–7, 1–6"