Who was the first mayor of Boston?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q100', 'id': 0, 'label': 'Boston'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q4970', 'id': 1, 'label': 'Hangchow'}], 'links': [{'name_': 'P190', 'source': 0, 'target': 1, 'label': 'twinned administrative body'}, {'name_': 'P190', 'source': 1, 'target': 0, 'label': 'twinned administrative body'}]}
Boston is the twinned administrative body of Hangchow.
The cities of Boston and Boston are both led by the same administrative body called Hangchow .
Who was the first mayor of Boston?</s>Boston is the twinned administrative body of [unused1]Hangchow                [unused2] .
Who was the first mayor of Boston?</s>Boston is the twinned administrative body of Hangchow.
Who was the first mayor of Boston?</s>The cities of Boston and Boston are both led by the same administrative body called [unused1]Hangchow                [unused2] .
Who was the first mayor of Boston?</s>The cities of Boston and Boston are both led by the same administrative body called Hangchow .
Who was the first mayor of Boston?</s>Boston,0,Boston,Boston,twinned administrative body,[unused1]Hangchow[unused2],[unused1]Hangchow[unused2],twinned administrative body,Boston,[unused1]Hangchow[unused2],0,[unused1]Hangchow[unused2]
Who was the first mayor of Boston?</s>Boston,0,Boston,Boston,twinned administrative body,Hangchow,Hangchow,twinned administrative body,Boston,Hangchow,0,Hangchow