CREATE TABLE table_3213 ("Region" TEXT, "HDI" TEXT, "Life expectancy at birth  ( 2001-2002 ) " TEXT, "Adult literacy rate  ( 2009 ) " TEXT, "Combined gross enrollment ratio  ( 2009 ) " TEXT, "GDP  ( PPP )  per capita  ( 2008 ) " FLOAT)

What is the gdp per capita in 2008 for the region with a combined gross enrollment ratio of 86.6 in 2009?
SELECT MAX("GDP (PPP) per capita (2008)") FROM table_3213 WHERE "Combined gross enrollment ratio (2009)" = '86.6'
SELECT MAX("GDP (PPP) per capita (2008)") FROM "table_3213" WHERE "Combined gross enrollment ratio (2009)" = '86.6'