user: Question: What region is the city of Philadelphia located in?
Columns: ['Region', 'Host', 'Venue', 'City', 'State']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['OR West', 'Northeast Louisiana University', 'Ewing Coliseum', 'Monroe', 'Louisiana']
SQL:

assistant: SELECT "Region" FROM "Table" WHERE "City" = 'Philadelphia';