Question: when did the us not go to the olympics
[{'answer': '1980', 'provenance': [{'wikipedia_id': '1958265', 'title': '1980 Summer Olympics boycott', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'The 1980 Summer Olympics', 'provenance': [{'wikipedia_id': '1958265', 'title': '1980 Summer Olympics boycott', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1958265', 'title': '1980 Summer Olympics boycott', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 283, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13503930924990148398}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1958265', 'title': '1980 Summer Olympics boycott', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13503930924990148398}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14944846', 'title': 'United States at the 2008 Summer Olympics', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The United States, represented by the United States Olympic Committee (USOC), competed at the 2008 Summer Olympics in Beijing, China. U.S. athletes have competed in every Summer Olympic Games in the modern era, except the 1980 Summer Olympics in Moscow, which was boycotted by the US team and many others. The USOC sent a total of 588 athletes to Beijing (310 men and 286 women), and competed in all Olympic sports except handball. The USOC selected San Jose State University in San Jose, California, as', 'The United States, represented by the United States Olympic Committee (USOC), competed at the 2008 Summer Olympics in Beijing, China. U.S. athletes have competed in every Summer Olympic Games in the modern era, except the 1980 Summer Olympics in Moscow, which was boycotted by the US team and many others.']}}]}, {'provenance': [{'wikipedia_id': '1958265', 'title': '1980 Summer Olympics boycott', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The 1980 Summer Olympics boycott was one part of a number of actions initiated by the United States to protest the Soviet invasion of Afghanistan. The Soviet Union, which hosted the 1980 Summer Olympics, and other countries would later boycott the 1984 Summer Olympics in Los Angeles.', 'The 1980 Summer Olympics boycott was one part of a number of actions initiated by the United States to protest the Soviet invasion of Afghanistan. The Soviet Union, which hosted the 1980 Summer Olympics, and other countries would later boycott the 1984 Summer Olympics in Los Angeles.', 'The 1980 Summer Olympics boycott was one part of a number of actions initiated by the United States to protest the Soviet invasion of Afghanistan.']}}]}]