user: Question: Which urban sub-area has a population of 16,140?
Columns: ['Rank', 'Urban sub-area', 'Population', 'Status', 'Council area']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Glasgow', '589,900', 'City', 'Glasgow City']
SQL:

assistant: SELECT "Urban sub-area" FROM "Table" WHERE "Population" = '16,140';