Question: who plays monica's friend will on friends
[{'answer': 'Brad Pitt', 'provenance': [{'wikipedia_id': '4287372', 'title': 'The One with the Rumor', 'start_paragraph_id': 1, 'start_character': 294, 'end_paragraph_id': 1, 'end_character': 303, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4287372', 'title': 'The One with the Rumor', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 484, 'bleu_score': 0.9458134147569861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3302946749538936125}, 'section': 'Section::::Plot.\n'}]}]