user: Question: What is the population estimate for the place that gad a 18496€  million euro gdp?
Columns: ['Province', 'Population (2004 estimate)', 'Area (km²)', 'Density', 'GDP (2003, PPS in mil. € )', 'GDP per cap. (2003, in €)']
Types: ['text', 'real', 'real', 'text', 'real', 'real']
Sample row: ['South Holland', 3453000.0, 2860.0, '1207.3', 95868.0, 27825.0]
SQL:

assistant: SELECT "Population (2004 estimate)" FROM "Table" WHERE "GDP (2003, PPS in mil. € )" = 18496.0;