Question: who was asked to oversee the philadelphia convention
[{'answer': 'Peyton Randolph', 'provenance': [{'wikipedia_id': '1730443', 'title': 'First Continental Congress', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Convention.\n'}]}]