CREATE TABLE table_48075 ("State" TEXT, "Abbreviation" TEXT, "Capital" TEXT, "Area  ( km\\u00b2 ) " FLOAT, "Population  ( 2005 ) " FLOAT, "Density  ( 2005 ) " FLOAT, "GDP  ( % total )   ( 2004 ) " TEXT, "GDP per capita  ( US$ )   ( 2004 ) " FLOAT, "HDI  ( 2005 ) " FLOAT, "Literacy  ( 2003 ) " TEXT, "Infant Mortality  ( 2002 ) " TEXT, "Life Expectancy  ( 2004 ) " FLOAT)

Which GDP per capita (US$) (2004) has a Literacy (2003) of 90%, and an Area (km ) of 1247689.5?
SELECT AVG("GDP per capita (US$) (2004)") FROM table_48075 WHERE "Literacy (2003)" = '90%' AND "Area (km\u00b2)" = '1247689.5'
SELECT AVG("GDP per capita (US$) (2004)") FROM "table_48075" WHERE "Area (km\u00b2)" = '1247689.5' AND "Literacy (2003)" = '90%'