CREATE TABLE table_64446 ("Rank" FLOAT, "Metropolitan area" TEXT, "Country" TEXT, "GDP  ( PPP )   ( 2008 )  Billions of US$" FLOAT, "Metropolitan population  ( 2006 )  Millions" FLOAT, "GDP  ( PPP )  US$ per capita" FLOAT)

What is the average 2006 metropolitan population of Lima with a GDP per capita over $13,100?
SELECT AVG("Metropolitan population (2006) Millions") FROM table_64446 WHERE "Metropolitan area" = 'lima' AND "GDP (PPP) US$ per capita" > '13,100'
SELECT AVG("Metropolitan population (2006) Millions") FROM "table_64446" WHERE "GDP (PPP) US$ per capita" > '13,100' AND "Metropolitan area" = 'lima'