Question: where was the first hockey world cup held
[{'answer': 'Barcelona , Spain', 'provenance': [{'wikipedia_id': '951198', 'title': 'Hockey World Cup', 'start_paragraph_id': 8, 'start_character': 297, 'end_paragraph_id': 8, 'end_character': 314, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '951198', 'title': 'Hockey World Cup', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 372, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17488715364905894219}, 'section': 'Section::::History.\n'}]}]