user: Question: Which GDP (nominal) has a Population of 5,550,239?
Columns: ['Country', 'Population', 'Area (km²)', 'GDP (nominal)', 'GDP per capita (nominal)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Kazakhstan', '16,967,000', '2,724,900', '$196.4 billion', '$11,772']
SQL:

assistant: SELECT "GDP (nominal)" FROM "Table" WHERE "Population" = '5,550,239';