Question: what year was the first season of stranger things
[{'answer': '2016', 'provenance': [{'wikipedia_id': '46301800', 'title': 'Stranger Things', 'start_paragraph_id': 4, 'start_character': 68, 'end_paragraph_id': 4, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46301800', 'title': 'Stranger Things', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 624, 'bleu_score': 0.6916427233041921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1498876387546515865}, 'section': 'Section::::Abstract.'}]}]