Table schema:
CREATE TABLE table_name_87 (surface VARCHAR, outcome VARCHAR, score_in_the_final VARCHAR)

Question: Which Surface has an Outcome of runner-up, and a Score in the final of 4–6, 6–7, 6–2, 2–6?
SQL: SELECT surface FROM table_name_87 WHERE outcome = "runner-up" AND score_in_the_final = "4–6, 6–7, 6–2, 2–6"