Question: who ran against eisenhower in the 1952 election
[{'answer': 'Adlai Stevenson', 'provenance': [{'wikipedia_id': '40563', 'title': '1952 United States presidential election', 'start_paragraph_id': 1, 'start_character': 205, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]