user: Question: If the district is Chittorgarh, what is the area?
Columns: ['District', 'Headquarters', 'Area (km²)', 'Population (2011)', 'Division']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Ajmer', 'Ajmer', 8481.0, 2584913.0, 'Ajmer']
SQL:

assistant: SELECT "Area (km²)" FROM "Table" WHERE "District" = 'Chittorgarh';