CREATE TABLE table_name_23 (tournament VARCHAR, score VARCHAR, outcome VARCHAR, surface VARCHAR)

Which Tournament has an Outcome of winner, and a Surface of clay, and a Score of 6 4, 6 1?
SELECT tournament FROM table_name_23 WHERE outcome = "winner" AND surface = "clay" AND score = "6–4, 6–1"
SELECT "tournament" FROM "table_name_23" WHERE "6–4, 6–1" = "score" AND "clay" = "surface" AND "outcome" = "winner"