Question: who did the spartans ask for help during the second war
[{'answer': 'the Persians', 'provenance': [{'wikipedia_id': '24121', 'title': 'Peloponnesian War', 'start_paragraph_id': 7, 'start_character': 1274, 'end_paragraph_id': 7, 'end_character': 1286, 'bleu_score': 1.0, 'section': 'Section::::Prelude.\n'}]}, {'provenance': [{'wikipedia_id': '24121', 'title': 'Peloponnesian War', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 346, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14364908091203570911}, 'section': 'Section::::The Second War (413-404 BC).:Athens recovers.\n'}]}]