Question: when did the la kings join the nhl
[{'answer': '1967', 'provenance': [{'wikipedia_id': '73136', 'title': 'Los Angeles Kings', 'start_paragraph_id': 1, 'start_character': 215, 'end_paragraph_id': 1, 'end_character': 219, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '73136', 'title': 'Los Angeles Kings', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 619, 'bleu_score': 0.9577351941091871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12613377991282596160}, 'section': 'Section::::Abstract.'}]}]