Question: who played mrs. trumbull on i love lucy
[{'answer': 'Mary Elizabeth Patterson', 'provenance': [{'wikipedia_id': '5690575', 'title': 'Elizabeth Patterson (actress)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5690575', 'title': 'Elizabeth Patterson (actress)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 268, 'bleu_score': 0.950578622812921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15090000920635456241}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5690575', 'title': 'Elizabeth Patterson (actress)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Mary Elizabeth Patterson (November 22, 1874 January 31, 1966) was an American theatre, film, and television character actress who gained popular recognition late in her career playing the elderly neighbor Matilda Trumbull on the television comedy series "I Love Lucy".', 'Mary Elizabeth Patterson (November 22, 1874 January 31, 1966) was an American theatre, film, and television character actress who gained popular recognition late in her career playing the elderly neighbor Matilda Trumbull on the television comedy series "I Love Lucy".', 'Mary Elizabeth Patterson (November 22, 1874 January 31, 1966) was an American theatre, film, and television character actress who gained popular recognition late in her career playing the elderly neighbor Matilda Trumbull on the television comedy series "I Love Lucy".']}}]}]