Question: who took shelter under the safavid empire and why
[{'answer': 'Humayun', 'provenance': [{'wikipedia_id': '181786', 'title': 'Safavid dynasty', 'start_paragraph_id': 52, 'start_character': 39, 'end_paragraph_id': 52, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::History.:Shāh Tahmāsp ("r." 1524–76).:Foreign threats to the Empire.\n'}]}, {'provenance': [{'wikipedia_id': '181786', 'title': 'Safavid dynasty', 'start_paragraph_id': 53, 'start_character': 0, 'end_paragraph_id': 53, 'end_character': 1148, 'bleu_score': 0.949857472625211, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16471971064647577802}, 'section': 'Section::::History.:Shāh Tahmāsp ("r." 1524–76).:Royal refugees: Bayezid and Humayun.\n'}]}]