CREATE TABLE table_64713 ("Rank" FLOAT, "Rowers" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

What is the sum of the rank of the rower with an r note from Australia?
SELECT SUM("Rank") FROM table_64713 WHERE "Notes" = 'r' AND "Country" = 'australia'
SELECT SUM("Rank") FROM "table_64713" WHERE "Country" = 'australia' AND "Notes" = 'r'