CREATE TABLE table_14218 ("Rank" FLOAT, "Heat" FLOAT, "Athlete" TEXT, "Country" TEXT, "Time" FLOAT)

What is the sum of rank for the athlete kerron stewart, and a time smaller than 11.05?
SELECT SUM("Rank") FROM table_14218 WHERE "Athlete" = 'kerron stewart' AND "Time" < '11.05'
SELECT SUM("Rank") FROM "table_14218" WHERE "Athlete" = 'kerron stewart' AND "Time" < '11.05'