Question: The 2006 film directed by Nick Broomfield, known as Ghosts is named in reference to which Cantonese slang term for Westerners or "ghost man"?
{'answer': 'Gweilo', 'supporting_facts': [['Ghosts (2006 film)', 0], ['Ghosts (2006 film)', 1], ['Gweilo', 0]]}