Question: where did most of the fighting take place in the korean war
[{'answer': 'close to the 38th parallel', 'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 4, 'start_character': 142, 'end_paragraph_id': 4, 'end_character': 164, 'bleu_score': 0.668740304976422, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16772', 'title': 'Korean War', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 437, 'bleu_score': 0.84639124584596, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3960798640373931181}, 'section': 'Section::::Abstract.'}]}]