Question: what is the standard voltage in the philippines
[{'answer': '230 V', 'provenance': [{'wikipedia_id': '864168', 'title': 'Mains electricity by country', 'start_paragraph_id': 5, 'start_character': 333, 'end_paragraph_id': 5, 'end_character': 338, 'bleu_score': 1.0, 'section': 'Section::::Main reference sourceIEC World Plugs.\n'}]}]