Question: what type of rna has an amino acid attached and is used in the formation of a peptide chain
[{'answer': 'tRNA', 'provenance': [{'wikipedia_id': '613092', 'title': 'Aminoacyl tRNA synthetase', 'start_paragraph_id': 0, 'start_character': 10, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '613092', 'title': 'Aminoacyl tRNA synthetase', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 324, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14653368990901131035}, 'section': 'Section::::Abstract.'}]}]