Question: what is the most recent season of gold rush
[{'answer': '8', 'provenance': [{'wikipedia_id': '38409954', 'title': 'List of Gold Rush episodes', 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]