user: ### NOW ANSWER:
Question: Which GDP per capita (US$) (2004) has a Literacy (2003) of 90%, and an Area (km²) of 1247689.5?
Columns: ['State', 'Abbreviation', 'Capital', 'Area (km²)', 'Population (2005)', 'Density (2005)', 'GDP (% total) (2004)', 'GDP per capita (US$) (2004)', 'HDI (2005)', 'Literacy (2003)', 'Infant Mortality (2002)', 'Life Expectancy (2004)']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'text', 'real', 'real', 'text', 'text', 'real']
Sample row: ['Acre', 'AC', 'Rio Branco', 152581.4, 707125.0, 4.3, '3242123 (0.2%)', 5143.0, 0.751, '84%', '29.8‰', 71.7]
SQL:

assistant: SELECT AVG("GDP per capita (US$) (2004)") FROM "Table" WHERE "Literacy (2003)" = '90%' AND "Area (km²)" = 1247689.5;