Question: how many cards is in a uno deck
[{'answer': '108', 'provenance': [{'wikipedia_id': '154302', 'title': 'Uno (card game)', 'start_paragraph_id': 4, 'start_character': 21, 'end_paragraph_id': 4, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Official rules.\n'}]}]