Question: what is the s.i unit of electric current
[{'answer': 'ampere', 'provenance': [{'wikipedia_id': '6207', 'title': 'Electric current', 'start_paragraph_id': 2, 'start_character': 39, 'end_paragraph_id': 2, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6207', 'title': 'Electric current', 'start_paragraph_id': 2, 'start_character': 15, 'end_paragraph_id': 2, 'end_character': 243, 'bleu_score': 0.7608792379920281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11469536163492296142}, 'section': 'Section::::Abstract.'}]}]