user: Question: What is the total lane number for the united states when the mark is 6.62 and the heat is greater than 8?
Columns: ['Heat', 'Lane', 'Name', 'Country', 'Mark']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 6.0, 'Dwain Chambers', 'United Kingdom', '6.69']
SQL:

assistant: SELECT SUM("Lane") FROM "Table" WHERE "Country" = 'united states' AND "Mark" = '6.62' AND "Heat" > 8.0;