CREATE TABLE table_71308 ("Member countries" TEXT, "Population" TEXT, "Area  ( km\\u00b2 ) " TEXT, "GDP  ( billion US$ ) " TEXT, "GDP per capita  ( US$ ) " TEXT)

What is the name of the country that has an Area (km ) of 49,036?
SELECT "Member countries" FROM table_71308 WHERE "Area (km\u00b2)" = '49,036'
SELECT "Member countries" FROM "table_71308" WHERE "Area (km\u00b2)" = '49,036'