Question: what component of connective tissue is designed for strength
[{'answer': 'collagen', 'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 2, 'start_character': 77, 'end_paragraph_id': 2, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 874, 'bleu_score': 0.9843125095516201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9825821329249598768}, 'section': 'Section::::Types.\n'}]}]