Table: central_asian_union_countries_2
Columns: country
population
area_km
gdp_nominal
gdp_per_capita_nominal

Question: Which country has a GDP (nominal) of $29.9 billion?
SQL: SELECT "country" FROM central_asian_union_countries_2 WHERE "gdp_nominal" = '$29.9 billion'

Question: Which country has a GDP (nominal) of $29.9 billion?
SQL: SELECT "country" FROM central_asian_union_countries_2 WHERE "gdp_nominal" = '$29.9 billion'

Question: Which GDP (nominal) has a Population of 5,550,239?
SQL: SELECT "gdp_nominal" FROM central_asian_union_countries_2 WHERE "population" = '5,550,239'

Question: Which population has a GDP (nominal) of $6.4 billion?
SQL: SELECT "population" FROM central_asian_union_countries_2 WHERE "gdp_nominal" = '$6.4 billion'

Question: Which country has a GDP (nominal) of $29.9 billion?
SQL: SELECT "country" FROM central_asian_union_countries_2 WHERE "gdp_nominal" = '$29.9 billion'

Question: What is the GDP (nominal) with Population of 5,125,693?
SQL: SELECT "gdp_per_capita_nominal" FROM central_asian_union_countries_2 WHERE "population" = '5,125,693'