CREATE TABLE table_28741_1 (_usd__2012_ VARCHAR, gdp__nominal__per_capita VARCHAR, capital VARCHAR)

What are the numbers for GDP (nominal) per capita and USD (2012) of the area with Phnom Penh as capital?
SELECT COUNT(gdp__nominal__per_capita), _usd__2012_ FROM table_28741_1 WHERE capital = "Phnom Penh"
SELECT COUNT("gdp__nominal__per_capita"), "_usd__2012_" FROM "table_28741_1" WHERE "Phnom Penh" = "capital"