Question: who is commonly known as pip in great expectations
[{'answer': 'Philip Pirrip', 'provenance': [{'wikipedia_id': '37880894', 'title': 'Pip (Great Expectations)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37880894', 'title': 'Pip (Great Expectations)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 178, 'bleu_score': 0.679647906526452, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6812604997875260935}, 'section': 'Section::::Abstract.'}]}]