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_22815568_6 (market_income_per_capita VARCHAR, poverty_rate VARCHAR)

### Question ###
If the poverty rate is 12.9%, what is the market income per capita?

### Accurate SQL ###

SELECT market_income_per_capita FROM table_22815568_6 WHERE poverty_rate = "12.9%"