Question: how many teams are there in indian super league
[{'answer': '10', 'provenance': [{'wikipedia_id': '40846570', 'title': 'Indian Super League', 'start_paragraph_id': 8, 'start_character': 37, 'end_paragraph_id': 8, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::History.:Origins.\n'}]}]