CREATE TABLE table_3955 ("Code" TEXT, "District" TEXT, "Headquarters" TEXT, "Population  ( 2001 Census ) " FLOAT, "Population  ( 2011 Census ) " FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "Density in 2011  ( /km\\u00b2 ) " TEXT)

How many people lived in the district whose headquarters is in Bhubaneswar in 2001?
SELECT "Population (2001 Census)" FROM table_3955 WHERE "Headquarters" = 'Bhubaneswar'
SELECT "Population (2001 Census)" FROM "table_3955" WHERE "Headquarters" = 'Bhubaneswar'