CREATE TABLE table_79568 ("Rank" FLOAT, "Athletes" CLOB, "Country" CLOB, "Time" CLOB, "Notes" CLOB)

What is Calvin Mokoto's average rank?
SELECT AVG("Rank") FROM table_79568 WHERE "Athletes" = 'calvin mokoto'
SELECT AVG("Rank") FROM "table_79568" WHERE "Athletes" = 'calvin mokoto'