Question: what is the next wwe pay per view event
[{'answer': 'Royal Rumble', 'provenance': [{'wikipedia_id': '47146440', 'title': 'List of WWE pay-per-view and WWE Network events', 'start_paragraph_id': 2, 'start_character': 90, 'end_paragraph_id': 2, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]