Question: lucy's best friend on i love lucy
[{'answer': 'Ethel Mertz', 'provenance': [{'wikipedia_id': '144832', 'title': 'I Love Lucy', 'start_paragraph_id': 5, 'start_character': 250, 'end_paragraph_id': 5, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Premise.\n'}]}, {'provenance': [{'wikipedia_id': '144832', 'title': 'I Love Lucy', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 304, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 693613833234549201}, 'section': 'Section::::Premise.\n'}]}]