Question: when did red bull come out with flavors
[{'answer': '2013', 'provenance': [{'wikipedia_id': '61123', 'title': 'Red Bull', 'start_paragraph_id': 3, 'start_character': 239, 'end_paragraph_id': 3, 'end_character': 243, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '61123', 'title': 'Red Bull', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 620, 'bleu_score': 0.9812185674664711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14323707180873667902}, 'section': 'Section::::Abstract.'}]}]