CREATE TABLE table_24489 ("Week of" TEXT, "Tournament" TEXT, "Champion" TEXT, "Runner-up" TEXT, "Semifinalists" TEXT, "Quarterfinalists" TEXT)

Who is the runner up for the champion of john mcenroe 6 2, 6 3?
SELECT "Runner-up" FROM table_24489 WHERE "Champion" = 'John McEnroe 6–2, 6–3'
SELECT "Runner-up" FROM "table_24489" WHERE "Champion" = 'John McEnroe 6–2, 6–3'