CREATE TABLE table_name_45 (partner VARCHAR, score VARCHAR, surface VARCHAR, outcome VARCHAR)

Which Partner with the surface of Clay ended up as a runner-up with a score of 1 6, 6 4, [10 12]?
SELECT partner FROM table_name_45 WHERE surface = "clay" AND outcome = "runner-up" AND score = "1–6, 6–4, [10–12]"
SELECT "partner" FROM "table_name_45" WHERE "1–6, 6–4, [10–12]" = "score" AND "clay" = "surface" AND "outcome" = "runner-up"