user: ### NOW ANSWER:
Question: What is the sum of rank for the athlete kerron stewart, and a time smaller than 11.05?
Columns: ['Rank', 'Heat', 'Athlete', 'Country', 'Time']
Types: ['real', 'real', 'text', 'text', 'real']
Sample row: [1.0, 1.0, 'Shelly-Ann Fraser', 'Jamaica', 11.0]
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Athlete" = 'kerron stewart' AND "Time" < 11.05;