Question: the trojan war was fought around 1200 bc between which two groups
[{'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.'}]}, {'answer': 'the city of Troy', 'provenance': [{'wikipedia_id': '30058', 'title': 'Trojan War', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 74, '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': 783, 'bleu_score': 0.8703880699301181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1189546824606251530}, 'section': 'Section::::Abstract.'}]}]