Question: how many countries adopted the universal declaration of human rights
[{'answer': '48', 'provenance': [{'wikipedia_id': '31899', 'title': 'Universal Declaration of Human Rights', 'start_paragraph_id': 1, 'start_character': 166, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31899', 'title': 'Universal Declaration of Human Rights', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 56, 'bleu_score': 0.581430736968219, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4266122141604202863}, 'section': 'Section::::History.:Adoption.\n'}]}]