Who was the engineer in charge of making the Willis Tower?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q463613', 'id': 0, 'label': 'American Bridge Company'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q29294', 'id': 1, 'label': 'Willis Tower'}], 'links': [{'name_': 'P193', 'source': 1, 'target': 0, 'label': 'main building contractor'}]}
The American Bridge Company's main building contractor is Willis Tower.
The main building of the American Bridge Company is the Willis Tower .
Who was the engineer in charge of making the Willis Tower?</s>The [unused1]American Bridge Company                [unused2] 's main building contractor is Willis Tower.
Who was the engineer in charge of making the Willis Tower?</s>The American Bridge Company's main building contractor is Willis Tower.
Who was the engineer in charge of making the Willis Tower?</s>The main building of the [unused1]American Bridge Company                [unused2] is the Willis Tower .
Who was the engineer in charge of making the Willis Tower?</s>The main building of the American Bridge Company is the Willis Tower .
Who was the engineer in charge of making the Willis Tower?</s>[unused1]American Bridge Company[unused2],0,[unused1]American Bridge Company[unused2],[unused1]American Bridge Company[unused2],0,Willis Tower,Willis Tower,main building contractor,[unused1]American Bridge Company[unused2],Willis Tower,0,Willis Tower
Who was the engineer in charge of making the Willis Tower?</s>American Bridge Company,0,American Bridge Company,American Bridge Company,0,Willis Tower,Willis Tower,main building contractor,American Bridge Company,Willis Tower,0,Willis Tower