Question: what is the significance of a dream catcher
[{'answer': 'a protective charm for infants', 'provenance': [{'wikipedia_id': '692305', 'title': 'Dreamcatcher', 'start_paragraph_id': 1, 'start_character': 557, 'end_paragraph_id': 1, 'end_character': 587, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '692305', 'title': 'Dreamcatcher', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 587, 'bleu_score': 0.9450701851959151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4888359154770999216}, 'section': 'Section::::Abstract.'}]}]