CREATE TABLE table_3951 ("Code" TEXT, "District" TEXT, "Headquarters" TEXT, "Population  ( 2001 Census ) " FLOAT, "Population  ( 2011 Census ) " FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "Density in 2011  ( /km\\u00b2 ) " TEXT)

What's the density in the district with 2320529 citizens in 2011?
SELECT "Density in 2011 (/km\u00b2)" FROM table_3951 WHERE "Population (2011 Census)" = '2320529'
SELECT "Density in 2011 (/km\u00b2)" FROM "table_3951" WHERE "Population (2011 Census)" = '2320529'