Question: what year does stranger things season one take place
[{'answer': 'early 1980s', 'provenance': [{'wikipedia_id': '46301800', 'title': 'Stranger Things', 'start_paragraph_id': 6, 'start_character': 85, 'end_paragraph_id': 6, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Premise.\n'}]}, {'provenance': [{'wikipedia_id': '46301800', 'title': 'Stranger Things', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 530, 'bleu_score': 0.9430699958503841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8251629951673604126}, 'section': 'Section::::Premise.\n'}]}]