question: Who was the Finalist on a Hard Surface with Winner Serena Williams 6–1, 6–7(7), 6–3?
answer: SELECT finalists FROM table_name_34 WHERE surface = "hard" AND winners = "serena williams 6–1, 6–7(7), 6–3"
context: CREATE TABLE table_name_34 (finalists VARCHAR, surface VARCHAR, winners VARCHAR)