CREATE TABLE table_203_74 (id DECIMAL, "rank" DECIMAL, "urban area" TEXT, "population\ ( 2001 census ) " DECIMAL, "area  ( km2 ) " DECIMAL, "density  ( people/km2 ) " DECIMAL, "major subdivisions" TEXT, "metropolitan area" TEXT)

which has a higher population density , greater glasgow or falkirk ?
SELECT "urban area" FROM table_203_74 WHERE "urban area" IN ('greater glasgow', 'falkirk') ORDER BY "density (people/km2)" DESC LIMIT 1
SELECT "urban area" FROM "table_203_74" WHERE "urban area" IN ('greater glasgow', 'falkirk') ORDER BY "density (people/km2)" DESC NULLS LAST LIMIT 1