Question: who sponsored the first season of the tv cartoon show the flintstones
[{'answer': 'Winston cigarettes', 'provenance': [{'wikipedia_id': '51787', 'title': 'The Flintstones', 'start_paragraph_id': 58, 'start_character': 43, 'end_paragraph_id': 58, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::History and production.\n'}]}, {'provenance': [{'wikipedia_id': '51787', 'title': 'The Flintstones', 'start_paragraph_id': 58, 'start_character': 0, 'end_paragraph_id': 58, 'end_character': 318, 'bleu_score': 0.8483346055146721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18166400440482202906}, 'section': 'Section::::History and production.\n'}]}]