Question: which gupta ruler was successful in repulsing the huna attack
[{'answer': 'Skandagupta', 'provenance': [{'wikipedia_id': '1462848', 'title': 'Skandagupta', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]