user: Question: What is the total national rank of Canada with lanes larger than 3?
Columns: ['Rank', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 4.0, 'Beatrice Căslaru', 'Romania', '2:13.31']
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Nationality" = 'Canada' AND "Lane" > 3.0;