CREATE TABLE table_name_91 (championship VARCHAR2, score VARCHAR2)

Which Championship has a Score of 2 6, 4 6, 4 6?
SELECT championship FROM table_name_91 WHERE score = "2–6, 4–6, 4–6"
SELECT "championship" FROM "table_name_91" WHERE "2–6, 4–6, 4–6" = "score"