Question: what do we call the two year period of time during which congress meets
[{'answer': 'term', 'provenance': [{'wikipedia_id': '31756', 'title': 'United States Congress', 'start_paragraph_id': 2, 'start_character': 59, 'end_paragraph_id': 2, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31756', 'title': 'United States Congress', 'start_paragraph_id': 81, 'start_character': 0, 'end_paragraph_id': 81, 'end_character': 389, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3037040304170794414}, 'section': 'Section::::Procedures of Congress.:Sessions.\n'}]}]