Question: who plays mike's mom on stranger things
[{'answer': 'Cara Buono', 'provenance': [{'wikipedia_id': '55679709', 'title': 'List of Stranger Things characters', 'start_paragraph_id': 2, 'start_character': 176, 'end_paragraph_id': 2, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55679709', 'title': 'List of Stranger Things characters', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 112, 'bleu_score': 0.8914703664390791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11913574652694479024}, 'section': 'Section::::Main characters.:Karen Wheeler.\n'}]}]