Question: who plays the receptionist in how i met your mother
[{'answer': 'Britney Spears', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 137, 'start_character': 533, 'end_paragraph_id': 137, 'end_character': 547, 'bleu_score': 1.0, 'section': 'Section::::Guest stars.\n'}]}, {'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 142, 'start_character': 0, 'end_paragraph_id': 142, 'end_character': 655, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10095674621398729637}, 'section': 'Section::::Guest stars.\n'}]}]