Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_4096 ( "Country" text, "Area (km 2 )" real, "Population(2012)" real, "Density (/km 2 )" real, "GDP (nominal), USD (2012)" text, "GDP (nominal) per capita, USD (2012)" text, "HDI (2012)" text, "Capital" text )

### Question ###
What is the HDI 2012) of the area with nominal GDP per capita and $849 USD(2012)?

### Accurate SQL ###

SELECT "HDI (2012)" FROM table_4096 WHERE "GDP (nominal) per capita, USD (2012)" = '$849'