Question: What was the Washington based nonprofit healthcare organization that was a pioneer to the Medical facilities of Seattle?
Sentence (from "Medical facilities of Seattle"): The University of Washington is consistently ranked among the country's dozen leading institutions in medical research; Group Health Cooperative was one of the pioneers of managed care in the United States; and Seattle was a pioneer in the development of modern paramedic services with the establishment of Medic One in 1970.
Relevant evidence: Yes