Question: who is the captain of kxip in ipl 2018
[{'answer': 'Ravichandran Ashwin', 'provenance': [{'wikipedia_id': '16624655', 'title': 'Kings XI Punjab', 'start_paragraph_id': 37, 'start_character': 78, 'end_paragraph_id': 37, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::Team history.:2018.\n'}]}]