CREATE TABLE table_68715 ("Rank" FLOAT, "Station" TEXT, "City" TEXT, "State" TEXT, "Boardings and deboardings" FLOAT)

Which is the highest rank that has 8,995,551 boardings and deboardings?
SELECT MAX("Rank") FROM table_68715 WHERE "Boardings and deboardings" = '8,995,551'
SELECT MAX("Rank") FROM "table_68715" WHERE "Boardings and deboardings" = '8,995,551'