Question: how many seasons of the block has there been
[{'answer': '14', 'provenance': [{'wikipedia_id': '2311410', 'title': 'The Block (Australian TV series)', 'start_paragraph_id': 63, 'start_character': 120, 'end_paragraph_id': 63, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Season synopsis.:Season 7.\n'}]}]