user: Question: What is the total number of lanes used for races with winners from austria?
Columns: ['Heat', 'Lane', 'Name', 'Country', 'Mark']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 5.0, 'Ene Franca Idoko', 'Nigeria', '7.10']
SQL:

assistant: SELECT SUM("Lane") FROM "Table" WHERE "Country" = 'austria';