CREATE TABLE table_1496582_1 (gdp_millions_of_usd__2009_ INT, country___territory VARCHAR)

What was the GDP (in millions USD) of Hong Kong in 2009?
SELECT MAX(gdp_millions_of_usd__2009_) FROM table_1496582_1 WHERE country___territory = "Hong Kong"
SELECT MAX("gdp_millions_of_usd__2009_") FROM "table_1496582_1" WHERE "Hong Kong" = "country___territory"