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_6459 ( "District" text, "2010 Population (000)" real, "2008 GDP (USD bn) a" real, "2008 GDP per capita (USD) a" real, "Agri culture b" real, "Mining b" real, "Manufac turing b" real, "Services & cons truction b" real, "Exports (USD mn) 2011" text, "Median mo. salary (USD) a e" real, "Vehicles (per 1000) d" real, "Income poverty f" real, "Structural poverty g" real )

### Question ###
2008 GDP per capita (USD) is smaller than 20,682, and District is chubut, and a Structural poverty g larger than 15.5, what is the average manufac?

### Accurate SQL ###

SELECT AVG("Manufac turing b") FROM table_6459 WHERE "2008 GDP per capita (USD) a" < '20,682' AND "District" = 'chubut' AND "Structural poverty g" > '15.5'