Question: What is the GDP of the nation with 56,210,000 people?
SQL: SELECT "GDP per capita (US$)" FROM "2-1307842-2" WHERE "Population" = '56,210,000';

Question: What is the area of the nation with GDP per capita (US$) of 11,929?
SQL: SELECT "Area (km²)" FROM "2-1307842-2" WHERE "GDP per capita (US$)" = '11,929';

Question: What is the population of the nation that has a GDP per capita (US$) of 11,929?
SQL: SELECT "Population" FROM "2-1307842-2" WHERE "GDP per capita (US$)" = '11,929';

Question: What is the Population of the nation that has an Area (km²) of 70,273?
SQL: SELECT "Population" FROM "2-1307842-2" WHERE "Area (km²)" = '70,273';

Question: What is the Population of the nation that has a Member countries consisting of Existing members (1973)?
SQL: SELECT "Population" FROM "2-1307842-2" WHERE "Member countries" = 'Existing members (1973)';