Question: who gave britain the right to rule palestine
[{'answer': 'the League of Nations', 'provenance': [{'wikipedia_id': '34784181', 'title': 'Mandate for Palestine', 'start_paragraph_id': 2, 'start_character': 92, 'end_paragraph_id': 2, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]