Question: The USRC "Benjamin Rush" was stationed in what current Pennsylvania county?

Context paragraphs:
Benjamin Rush: Benjamin Rush (January 4, 1746 [O.S. December 24, 1745] – April 19, 1813) was a Founding Father of the United States.  Rush was a civic leader in Philadelphia, where he was a physician, politician, social reformer, humanitarian, and educator as well as the founder of Dickinson College.  Rush attended the Continental Congress and signed the Declaration of Independence.  His later self-description there was: "He aimed right."  He served as Surgeon General of the Continental Army and became a professor of chemistry, medical theory, and clinical practice at the University of Pennsylvania.

Benjamin Rush State Park: Benjamin Rush State Park is a 275 acre Pennsylvania state park in Philadelphia, Philadelphia County, Pennsylvania, in the United States.  The park is undeveloped and is the site of community gardens, believed to be one of the largest in the world.  The park is home to the Northeast Radio Controlled Airplane Club.  Benjamin Rush State Park is in Northeast Philadelphia at the intersection of Southampton Road and Roosevelt Boulevard (U.S. Route 1).  The northern boundary of the park is formed by Poquessing Creek.  There are several acres of woodlands along the creek bank.  A proposal map show plans to connect the park with Fairmount Park.  Other proposed improvements included hiking trails, parking facilities, and a reforestation project.  The community gardens and airfield for the radio-controlled aircraft would remain.

USRC James C. Dobbin (1853): USRC "James C. Dobbin" was a topsail schooner of the "Cushing"-class (1853) named after President Franklin Pierce's Secretary of the Navy, James Cochrane Dobbin.  She was initially stationed at Wilmington, North Carolina, but in 1856 was moved to Savannah, Georgia.  She was seized by a secessionist mob on 3 January 1861 at Savannah and the officers and crew were held in irons.  After the local customs inspector protested the seizure, Joseph E. Brown, the governor of Georgia ordered the cutter and crew released.  "Dobbin" was the only revenue cutter based in the South to escape to the North before the Civil War.  On 26 April 1861, she was ordered to Philadelphia, Pennsylvania to receive heavier armament and then assigned to New York City.  In 1863 "Dobbin" was reassigned to Portland, Maine where she remained until being ordered to Baltimore, Maryland in December, 1876 to be refitted as a training ship.  The first eight cadets of the newly established Revenue Cutter School of Instruction reported aboard "Dobbin" and they set sail on their first practice cruise on 24 May 1877.  One of the eight cadets was future Commandant of the Coast Guard, Worth G. Ross.  The following summer, she was replaced by the newly constructed training cutter USRC "Salmon P. Chase" and "Dobbin" returned to service as a revenue cutter until she was sold in 1881.

USRC Benjamin Rush: The USRC "Benjamin Rush" was a United States Revenue Cutter stationed at Presque Isle, Pennsylvania.  It was built in 1827 in Erie and was launched on 13 September 1828.  The USRC "Benjamin Rush" has often been confused with the USRC "Richard Rush", which was in service at the same time.  The ship was named for the signer of the Declaration of Independence, Benjamin Rush.

USRC Erie: The USRC "Erie" was a United States Revenue Cutter stationed at Presque Isle in Erie, Pennsylvania.  It replaced the USRC "Benjamin Rush" on the Great Lakes.  Daniel Dobbins supervised the construction of and was in command of the USRC "Erie" from 1833 to 1841.  Dobbins was placed back in command of the USRC "Erie" in 1845.  USRC "Erie" was active in the prevention of the violation of United States neutrality during the Canadian Rebellions of 1837 and was placed under the control of the United States War Department in April 1839.

Presque Isle State Park: Presque Isle State Park is a 3112 acre Pennsylvania state park on an arching, sandy peninsula that juts into Lake Erie, 4 mi west of the city of Erie, in Millcreek Township, Erie County, Pennsylvania, in the United States.  The peninsula sweeps northeastward, surrounding Presque Isle Bay along the park's southern coast.  It has 13 mi of roads, 21 mi of recreational trails, 13 beaches for swimming, and a marina.  Popular activities at the park include swimming, boating, hiking, biking, and birdwatching.

The Arts Academy at Benjamin Rush: The Arts Academy at Benjamin Rush (also known as Benjamin Rush, Rush Arts, or simply Rush) is a public, magnet high school located in Philadelphia, Pennsylvania.  Rush Arts is known for placing its focus on both academia and the visual/performing arts, as well as encouraging creativity and the development of strong critical thinking skills.

Eileen McNulty: Eileen H. McNulty is the current Pennsylvania Secretary of Revenue, having been nominated by Pennsylvania Governor Tom Wolf and confirmed by the Pennsylvania Senate in June 2015.  She formerly served as Pennsylvania Secretary of Revenue from 1991-1995 in the Cabinet of Pennsylvania Governor Robert P. Casey.  McNulty graduated cum laude from Michigan State University with a B.A. in economics.  She served in the Pennsylvania Office of the Budget from 2011 until 2013.

Benjamin Rush House: Benjamin Rush House, also known as Chesteridge, is a historic home located in West Whiteland Township, Chester County, Pennsylvania.  It was built in 1908 as a summer home for an insurance company president named Benjamin Rush.  It is a 2 ⁄ -story, six-bay dwelling built of green serpentine stone and fieldstone in the Georgian Revival style.  It has a 1 ⁄ -story service wing and a 2-story library wing, added in 1928.

Rushville, Indiana: Rushville is a city in Rushville Township, Rush County, in the U.S. state of Indiana.  The population was 6,341 at the 2010 census.  The city is the county seat of Rush County.  It was the campaign headquarters for Wendell Willkie's 1940 presidential campaign against Franklin D. Roosevelt.  Willkie is buried in the city's East Hill Cemetery.  It, like the county, was named in honor of Dr. Benjamin Rush, who signed the Declaration of Independence.

Supporting paragraphs: USRC Benjamin Rush Presque Isle State Park
Answer: Erie County