CREATE TABLE table_43591 ("Outcome" CLOB, "Date" CLOB, "Championship" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What is the Date of the game with an Outcome of runner-up and Score of 5 7, 3 6, 6 3, 2 6?
SELECT "Date" FROM table_43591 WHERE "Outcome" = 'runner-up' AND "Score" = '5–7, 3–6, 6–3, 2–6'
SELECT "Date" FROM "table_43591" WHERE "Outcome" = 'runner-up' AND "Score" = '5–7, 3–6, 6–3, 2–6'