Question: who resigned the presidency of egypt as a result of arab spring demonstrations
[{'answer': 'Hosni Mubarak', 'provenance': [{'wikipedia_id': '30655949', 'title': 'Arab Spring', 'start_paragraph_id': 32, 'start_character': 581, 'end_paragraph_id': 32, 'end_character': 594, 'bleu_score': 1.0, 'section': 'Section::::The Arab Spring.\n'}]}]