CREATE TABLE table_8974 ("Name" TEXT, "Seat" TEXT, "Population  ( 2011 ) " FLOAT, "Area  ( km 2  ) " FLOAT, "Density  ( inhabitants/km 2  ) " FLOAT)

What is the area in km2 for the community that had a population in 2011 larger than 35,916 and a density of less than 47.1 inhabitants/km 2?
SELECT SUM("Area (km 2 )") FROM table_8974 WHERE "Population (2011)" > '35,916' AND "Density (inhabitants/km 2 )" < '47.1'
SELECT SUM("Area (km 2 )") FROM "table_8974" WHERE "Density (inhabitants/km 2 )" < '47.1' AND "Population (2011)" > '35,916'