user: Question: Name the population 2011 for Luxembourg
Columns: ['Country', 'Population (2011)', 'GDP (nominal) (2010, US$ millions)', 'Military expenditures (2011, US$ millions)', 'Military expenditures (2011, % of GDP)', 'Defence expenditures, (2011, per capita)', 'Deployable military (2011, thousands)']
Types: ['text', 'real', 'real', 'real', 'text', 'real', 'text']
Sample row: ['Albania', 2834667.0, 13292.0, 197.0, '1.5', 51.0, '10']
SQL:

assistant: SELECT "Population (2011)" FROM "Table" WHERE "Country" = 'Luxembourg';