CREATE TABLE table_79377 ("Rank" FLOAT, "Athlete" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

What is the highest rank for the team that raced a time of 6:50.40?
SELECT MAX("Rank") FROM table_79377 WHERE "Time" = '6:50.40'
SELECT MAX("Rank") FROM "table_79377" WHERE "Time" = '6:50.40'