CREATE TABLE table_41818 ("Season" TEXT, "Wins" FLOAT, "Losses" FLOAT, "Win%" FLOAT, "Games behind" TEXT, "Playoffs" TEXT, "Results" TEXT)

What is the lowest percentage of wins for 6 games and more than 77 total wins?
SELECT MIN("Win%") FROM table_41818 WHERE "Games behind" = '6½' AND "Wins" > '77'
SELECT MIN("Win%") FROM "table_41818" WHERE "Games behind" = '6½' AND "Wins" > '77'