Question: which of the following is the largest ethnic group in the united states
[{'answer': 'Hispanic and Latino Americans', 'provenance': [{'wikipedia_id': '3058522', 'title': 'Race and ethnicity in the United States', 'start_paragraph_id': 3, 'start_character': 143, 'end_paragraph_id': 3, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3058522', 'title': 'Race and ethnicity in the United States', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 418, 'bleu_score': 0.636863338045744, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18349451916352287900}, 'section': 'Section::::Abstract.'}]}]