CREATE TABLE table_910 ("Local Government Area" TEXT, "Principal town" TEXT, "Land Area  ( km\\u00b2 ) " TEXT, "Population 2011 census" FLOAT, "Density" TEXT, "Region" TEXT)

What is the population density in the Brighton area?
SELECT "Density" FROM table_910 WHERE "Principal town" = 'Brighton'
SELECT "Density" FROM "table_910" WHERE "Principal town" = 'Brighton'