Question: where did mo farrah come in london marathon
[{'answer': 'third', 'provenance': [{'wikipedia_id': '6433331', 'title': 'Mo Farah', 'start_paragraph_id': 20, 'start_character': 327, 'end_paragraph_id': 20, 'end_character': 332, 'bleu_score': 1.0, 'section': 'Section::::Senior career.:2009–2010: British records and European champion.\n'}]}]