Question: how many seasons is there of better call saul
[{'answer': 'fourth season', 'provenance': [{'wikipedia_id': '32262767', 'title': 'Better Call Saul', 'start_paragraph_id': 1, 'start_character': 693, 'end_paragraph_id': 1, 'end_character': 706, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]