user: Question: Which event has Philadelphia, PA as the location and 41 days held?
Columns: ['Wrestler', 'Reigns', 'Days held', 'Location', 'Successful defenses', 'Event']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Johnny Hotbody Category:Articles with hCards', '1', 31.0, 'Philadelphia, PA', '—', 'Live event']
SQL:

assistant: SELECT "Event" FROM "Table" WHERE "Location" = 'Philadelphia, PA' AND "Days held" = 41.0;