user: Question: What is the HDI 2012) of the area with nominal GDP per capita and $849 USD(2012)?
Columns: ['Country', 'Area (km 2 )', 'Population(2012)', 'Density (/km 2 )', 'GDP (nominal), USD (2012)', 'GDP (nominal) per capita, USD (2012)', 'HDI (2012)', 'Capital']
Types: ['text', 'real', 'real', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Brunei', 5765.0, 434320.0, 74.0, '16,852,000,000', '$38,801', '0.885', 'Bandar Seri Begawan']
SQL:

assistant: SELECT "HDI (2012)" FROM "Table" WHERE "GDP (nominal) per capita, USD (2012)" = '$849';