Question: which british statesman became synonymous with british liberalism
[{'answer': 'William Ewart Gladstone', 'provenance': [{'wikipedia_id': '5342101', 'title': 'Gladstonian liberalism', 'start_paragraph_id': 1, 'start_character': 129, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5342101', 'title': 'Gladstonian liberalism', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 632, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4563822713661586266}, 'section': 'Section::::Abstract.'}]}]