user: Question: How much total time was in lane 4?
Columns: ['Rank', 'Lane', 'Athlete', 'Nationality', 'Time', 'React']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 7.0, 'LaShawn Merritt', 'United States', 44.12, 0.187]
SQL:

assistant: SELECT SUM("Time") FROM "Table" WHERE "Lane" = 4.0;