Question: name the tissue in which matrix is found
[{'answer': 'connective tissue', 'provenance': [{'wikipedia_id': '752391', 'title': 'Matrix (biology)', 'start_paragraph_id': 1, 'start_character': 211, 'end_paragraph_id': 1, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '752391', 'title': 'Matrix (biology)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 434, 'bleu_score': 0.970795021215021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13540982665453205425}, 'section': 'Section::::Abstract.'}]}]