Question: who laid siege to the city of troy
[{'answer': 'the Achaeans ( Greeks )', 'provenance': [{'wikipedia_id': '30058', 'title': 'Trojan War', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30058', 'title': 'Trojan War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 792, 'bleu_score': 0.985764216565234, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4951557296614257429}, 'section': 'Section::::Abstract.'}]}]