user: Question: What is the total time of the athlete from canada with a lane less than 8 and a rank less than 8?
Columns: ['Rank', 'Lane', 'Name', 'Nationality', 'React', 'Time']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 6.0, 'Usain Bolt', 'Jamaica', 0.169, 20.03]
SQL:

assistant: SELECT SUM("Time") FROM "Table" WHERE "Lane" < 8.0 AND "Nationality" = 'canada' AND "Rank" < 8.0;