CREATE TABLE table_65473 ("Rank" FLOAT, "Rowers" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

Who are the Rowers with a Time of 6:39.49?
SELECT "Rowers" FROM table_65473 WHERE "Time" = '6:39.49'
SELECT "Rowers" FROM "table_65473" WHERE "Time" = '6:39.49'