CREATE TABLE table_16237 ("Province" TEXT, "Population  ( 2004 estimate ) " FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "Density" TEXT, "GDP  ( 2003 ,  PPS in mil. \\u20ac  ) " FLOAT, "GDP per cap.  ( 2003 ,  in \\u20ac ) " FLOAT)

Which province has a density of 971.4?
SELECT "Province" FROM table_16237 WHERE "Density" = '971.4'
SELECT "Province" FROM "table_16237" WHERE "Density" = '971.4'