Question: how many delegates to the continental congress signed the declaration of independance
[{'answer': '56', 'provenance': [{'wikipedia_id': '31874', 'title': 'United States Declaration of Independence', 'start_paragraph_id': 52, 'start_character': 328, 'end_paragraph_id': 52, 'end_character': 330, 'bleu_score': 1.0, 'section': 'Section::::Signing.\n'}]}]