Question: The One-Million-Liter Test Sphere — also known as the Test Sphere, the Horton Test Sphere, the Cloud Study Chamber, Building 527, and the “Eight Ball” (or “8-ball”) — is a decommissioned biological warfare (BW) chamber and testing facility located on which United States Army Medical Command installation located in Frederick, Maryland?
{'answer': 'Fort Detrick', 'supporting_facts': [['One-Million-Liter Test Sphere', 0], ['Fort Detrick', 0]]}