Question: Sibley Memorial Hospital and Providence Hospital are located in which Disctrict

Context paragraphs:
OhioHealth: Established in 1891, OhioHealth is a not-for-profit, faith-based system of hospitals and healthcare providers located in Columbus, Ohio and surrounding areas.  As of 2012, the organization has 21,000 physicians, associates and volunteers and more than $2 billion in net revenue.  The system consists of 17 hospitals, 20 health and surgery centers, home-health providers, medical equipment and health service suppliers throughout a 40-county area.  Member hospitals include Riverside Methodist Hospital, Grant Medical Center, Doctors Hospital, Grady Memorial Hospital, Dublin Methodist Hospital, Hardin Memorial Hospital, Marion General Hospital, MedCentral Mansfield Hospital, Doctors Hospital at Nelsonville & O'Bleness Memorial Hospital (Jan. 2014) in Athens, OH.  OhioHealth is a ministry of the West Ohio Conference of the United Methodist Church.

Ride On (bus): Ride On is the primary public transportation system in Montgomery County, Maryland.  Ride On serves Montgomery County as well as the community of Langley Park in Prince George's County.  Ride On also serves the Takoma Metro station, and Sibley Memorial Hospital in Washington, D.C.

Lucy Webb Hayes National Training School: Lucy Webb Hayes National Training School was a religious training school, now a hospital, in Washington, D.C. So named in memory of Lucy Webb Hayes, the wife of former President Rutherford B. Hayes, it was founded in 1891.  It was the authorized training school of the Woman’s Home Missionary Society (now, Home Mission Society) of the Methodist Episcopal Church, which owned the property of the school, exercised supervision and jurisdiction over its management, and looked to it to supply the trained workers employed by the society in its widely diversified fields of labor.  The privileges of the school were not, however, confined to those connected with the Woman’s Home Missionary Society.  It opened its doors to all who wanted to prepare themselves for any department of Christian activity.  In 1894, the school was chartered by act of Congress in conjunction with the Deaconess Home and Sibley Memorial Hospital, and formed with them one corporation.  The unified administration and guaranteed the training of Christian workers.

NewYork–Presbyterian/Queens: New York–Presbyterian Hospital Queens, stylized as NewYork–Presbyterian/Queens (NYP/Q or NYP/Queens), is a not-for-profit acute care and teaching hospital in the Flushing neighborhood of Queens in New York City.  Formerly operating as Booth Memorial Hospital and New York Hospital Queens (NYHQ), it is located on the northeast corner of Main Street and Booth Memorial Avenue.  The NewYork–Presbyterian Healthcare System had assumed control of the Booth Memorial Hospital until 2015, when the NewYork–Presbyterian Hospital, headquartered in Manhattan, assumed control and made the Booth Memorial Hospital a Queens campus.

Newberry County Memorial Hospital: Newberry County Memorial Hospital is a historic hospital building located at Newberry, Newberry County, South Carolina.  Newberry County Hospital was built in 1924–1925, and is a two-story, Colonial Revival style brick building.  Upon opening, the hospital's capacity was 25 beds.  It was dedicated on December 22, 1925.  Additions were made to the original building about 1949.  Also on there are the former Nurse’s Home (c. 1937, c. 1949), the Laundry/Boiler Plant (c. 1925, c. 1949) and storage buildings dating to the 1950s.  On May 30, 1950, the hospital's name was changed to Newberry County Memorial Hospital to honor the men and women who served in World War II.  In January 1952, the People's Hospital merged with NCMH.  In 1963, the north wing was added, increasing the capacity to 72 beds.  The hospital moved to a new facility at 2669 Kinard Street in May 1976 with a capacity of 102 beds.

Sibley Memorial Hospital: Sibley Memorial Hospital is a non-profit hospital located in The Palisades neighborhood of Washington D.C. It is fully accredited by the Joint Commission on Accreditation of Healthcare Organizations, and is licensed by the District of Columbia Department of Health and Human Services.  The hospital specializes in surgery, orthopedics, and oncology services.  It has been part of Johns Hopkins Medicine since 2010.

Jerilyn Ross: Jerilyn Ross (December 20, 1946 in the Bronx, New York–January 7, 2010 at Sibley Memorial Hospital in Washington, D.C.) was an American psychotherapist, phobia expert, and mental health activist. " The New York Times"' Benedict Carey described her as "one of the country’s most visible and effective advocates for those with mental health problems."

Sutter General Hospital: Sutter General Hospital, part of the Sutter Health network, is located in midtown, Sacramento next to the historic Sutter's Fort State Park.  It is also directly adjacent to the Capital City Freeway (Business Route 80).  The hospital is housed in a five-story building.  It is one of two acute-care hospitals that are part of Sutter Medical Center, Sacramento, which also consists of Sutter Memorial Hospital, which is located just 2 miles away in East Sacramento and has been called "the baby hospital" because more than 300,000 babies have been born there.  Sutter General Hospital has 306 beds.  The hospital focuses on general acute medical/surgical care as well as a medical base to advanced services for cancer, orthopedics, spine, and neurology and neurosurgery.  Sutter Memorial Hospital houses cardiac care.  Sutter Medical Center, Sacramento is currently undergoing a major expansion which is detailed here: Sutter Hospital Expansion.

Providence Hospital (Washington, D.C.): Providence Hospital is a 408 bed hospital located in the District of Columbia.  Founded in 1861, it is the longest continuously operating hospital in the District.  Providence Hospital is a member of Ascension Health, the largest non-profit health care organization in the United States.

Memorial Hospital (Chattanooga): Memorial Hospital is a hospital located in Chattanooga, Tennessee.  It was officially opened on January 2, 1952.  Memorial Hospital is a member of The American Hospital Association, The Tennessee Hospital Association, The Catholic Hospital Association, The Chattanooga Area Hospital Council, and The Chattanooga Area Safety Council.  Memorial Hospital has grown tremendously since 1952.  In 1952, Memorial Hospital had 200 beds.  Today, the hospital has 365 hospital beds.  It has nearly doubled in size over the 62 years since it opened.  Memorial is a general hospital that has a wide variety of specialties.  They have surgical, cardiac, interventional, cancer, orthopedic, and general care services.  Memorial is known as a leader in Cardiology.  Memorial is not a teaching hospital but they are a leader in new technology.

Supporting paragraphs: Providence Hospital (Washington, D.C.) Sibley Memorial Hospital
Answer: the District of Columbia