user: Question: Where was the Combat of 2009-09-16?
Columns: ['Date', 'Location', 'Nature of incident', 'Circumstances', 'Casualties']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2009-02-11', 'Mazar-i-Sharif', 'unknown', 'unknown', '1 killed']
SQL:

assistant: SELECT "Location" FROM "Table" WHERE "Circumstances" = 'Combat' AND "Date" = '2009-09-16';