Question: what is the value that occurs most frequently in a distribution
[{'answer': 'Mode', 'provenance': [{'wikipedia_id': '1432127', 'title': 'Mode (statistics)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]