Question: who is the mom in how i met your mom
[{'answer': 'Tracy McConnell', 'provenance': [{'wikipedia_id': '40262098', 'title': 'The Mother (How I Met Your Mother)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]