user: Question: How many km2  has a Population 2001 Census larger than 274095, and a District Headquarters of jharsuguda?
Columns: ['District', 'District Headquarters', 'Area (km 2 .)', 'Population 1991 Census', 'Population 2001 Census']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['Balangir', 'Balangir', 6575.0, 1230938.0, 1335760.0]
SQL:

assistant: SELECT COUNT("Area (km 2 .)") FROM "Table" WHERE "Population 2001 Census" > 274095.0 AND "District Headquarters" = 'jharsuguda';