original_query: Who carried out the excavation works for restoration purposes on the western part of the city wall?
query: Who carried out the excavation works for restoration purposes on the western part of Harran's city wall?
answer: The Şanlıurfa Museum Directorate, with Professor Mehmet Önal as consultant, carried out the excavation works for restoration purposes on the western part of Harran's city wall in 2012 and 2013.