Question: Which Amtrak service served the southeast United States and owned a previous Class I railroad system built in 1960?

Context paragraphs:
Birmingham station (Alabama): Birmingham is a train station in Birmingham, Alabama.  It serves Amtrak's "Crescent", which provides daily service between New York City, Atlanta, and New Orleans.  The current station is located on the site of another station originally built by the Louisville and Nashville Railroad in 1960, although Amtrak did not use the building itself, which was torn down in the 2000s.

Queen City Hotel: The Queen City Hotel was constructed in 1871 by the Baltimore and Ohio Railroad (B&O) in Cumberland, Maryland to serve both as a train station and as a destination.  Hosting 174 rooms, it also had such features as formal gardens with a fountain, a ballroom and 400-seat dining room.  It was torn down in 1972 to make room for a new main United States Post Office and Distribution facility with a much smaller station for Amtrak service between the new Post Office and the railroad tracks.

Louisville and Nashville Railroad: The Louisville and Nashville Railroad (reporting mark LN) , commonly called the L&N, was a Class I railroad that operated freight and passenger services in the southeast United States.

Kingstree station: Kingstree is a train station in Kingstree, South Carolina, operated by Amtrak, the United States' railroad passenger system.  It was originally built by the Atlantic Coast Line Railroad in 1909.  The station survived the merger of the Atlantic Coast Line and Seaboard Air Line Railroads into the Seaboard Coast Line Railroad in 1967, only to terminate passenger service in 1971.  Amtrak service to Kingstree began on June 15, 1976, with the introduction of the "Palmetto".  The station is currently part of the Kingstree Historic District.

Orlando Health/Amtrak station: Orlando Health/Amtrak station, also known as Orlando station, is a train station in Orlando, Florida.  It is served by Amtrak, the national railroad passenger system of the United States, and SunRail, the commuter rail service of Greater Orlando, as well as local and intercity buses.  It serves Amtrak's "Silver Meteor" and "Silver Star" lines.  Built in 1926, the historic station is located approximately one mile south of Downtown Orlando near the campus of Orlando Health.  Serving 160,442 passengers at last measure in 2013, The station is Amtrak's fifth busiest in the Southeastern United States; it is the second busiest Amtrak station in Florida, behind the Sanford station of the Auto Train.

Dillon station: Dillon is a train station in Dillon, South Carolina, served by Amtrak, the United States' railroad passenger system.  It was originally built by the Florence Railroad in 1893, but only as a freight station.  Once the railroad was consolidated into the Atlantic Coast Line Railroad in 1898, the passenger station was opened in 1904.  The station survived the merger of the Atlantic Coast Line and Seaboard Air Line Railroads into the Seaboard Coast Line Railroad in 1967, only to terminate passenger service in 1971.  Amtrak service to Dillon began on June 15, 1976, with the introduction of the "Palmetto".  The four-faced station clock also contains two Fahrenheit thermometers.

Belvidere and Delaware River Railway: The Belvidere and Delaware River Railway Company (reporting mark BDRV) is a class III railroad in the United States.  It was formed in 1995 when the Conrail Delaware Secondary was purchased by the Black River Railroad System, which operates several railroad services in western New Jersey and eastern Pennsylvania.  The Black River Railroad System also owns and operates the Black River and Western Railroad.  The Black River and Western Railroad leases 10 miles of track to the BDRV, since 2004.  The trackage bought was a portion of the former Belvidere-Delaware Railroad which was controlled by the Pennsylvania Railroad and then the Penn Central.

Hammond/Whiting station: Hammond/Whiting is a train station in Hammond, Indiana served by Amtrak, the U.S. national railroad passenger system.  The "Wolverine" is the only Amtrak service that stops at this station.  The station also served as the split with the "Three Rivers" until March 7, 2005 when the "Three Rivers" was terminated.  The station was once serviced, but is now bypassed by the "Capitol Limited", the "Lake Shore Limited", and the "Pere Marquette".

Carlinville station: Carlinville is a train station in Carlinville, Illinois, United States served by Amtrak, the national railroad passenger system.  Amtrak service is provided by "Lincoln Service" and the "Texas Eagle".  This was also a stop for the "Ann Rutledge" until April 2007.  Service via the "Texas Eagle" in Carlinville is a flag stop; the train will stop there only if there are passengers to board or alight there.

Dwight station: Dwight is a historic railroad depot and adjacent 2016 train station in Dwight, Illinois, United States, served by Amtrak, the national passenger railroad system.  The historic depot, in use from 1891 until 2016, served Amtrak passenger traffic between Chicago and St. Louis, via the "Lincoln Service" train.  Passenger service moved from the former depot south to a new station in October 2016.

Supporting paragraphs: Birmingham station (Alabama) Louisville and Nashville Railroad
Answer: "Crescent"