CREATE TABLE table_63442 ("Rank" FLOAT, "Rowers" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

What is the rank for the team that had a time of 6:41.45 and note FA?
SELECT SUM("Rank") FROM table_63442 WHERE "Notes" = 'fa' AND "Time" = '6:41.45'
SELECT SUM("Rank") FROM "table_63442" WHERE "Notes" = 'fa' AND "Time" = '6:41.45'