user: Question: If there are 11 lifts, what is the base elevation?
Columns: ['Name', 'Nearest city', 'Skiable area (acres)', 'Top elevation (feet)', 'Base elevation (feet)', 'Vertical (feet)', 'Runs', 'Lifts', 'Snowfall (in/year)']
Types: ['text', 'text', 'real', 'real', 'real', 'real', 'text', 'real', 'real']
Sample row: ['Arapahoe Basin', 'Keystone, Colorado', 900.0, 13050.0, 10780.0, 2270.0, '105', 7.0, 350.0]
SQL:

assistant: SELECT "Base elevation (feet)" FROM "Table" WHERE "Lifts" = 11.0;