Question: What company was established as part of the Great Norther Railway Act of 1846 and has a first station west of Louth?

Context paragraphs:
Hallington railway station: The Great Northern Railway planned and built a branch line from Bardney to Louth in stages, the final stage between Donington on Bain and Louth opening to goods on 28 June 1876 and passengers on 1 December 1876.  Hallington railway station was the first station west of Louth on this line.

Northampton and Peterborough Railway: The Northampton and Peterborough Railway was an early railway promoted by the London and Birmingham Railway to run from a junction at Blisworth to Northampton and Peterborough.  The Northampton and Peterborough Railway Act received the Royal Assent in 1843 and the line opened in 1845.  In 1846, it became part of the London and North Western Railway (LNWR).  The LNWR became a constituent of the London, Midland and Scottish Railway (LMS) when the railways of Great Britain were merged in the grouping of 1923.  In 1948, the LMS became part of the publicly owned British Railways.  Regular passenger services ceased in 1964 and the line closed completely in 1972.  A part of it has since been reopened as the Nene Valley Railway heritage line.

Demirköprü railway station: Demirköprü is a station on İZBAN's Northern Line.  The station is 13.45 km away from Alsancak Terminal.  Demirköprü is the first station west of the Karşıyaka tunnel.

Chalakudi railway station: Chalakudi Railway Station (Station Code: CKI) is an important railway station between Irinjalakuda Railway Station and Divine Nagar railway station in the busy Shoranur-Cochin Harbour section in Thrissur district.  Chalakudi Railway Station is operated by the Chennai-headquartered Southern Railways of the Indian Railways.  It is an 'A' class station under Trivandrum division, and the second largest station in Thrissur District after Thrissur railway station.  It is also the first station declared as Adarsh station in Thrissur District.

Riverton Railroad Depot: The Riverton Railroad Depot is a historic railway station located at 1st and Main Streets in Riverton, Wyoming.  The depot was built by the Chicago and North Western Railway from 1906 to 1907 along a new line through central Wyoming built by the railway in 1906.  The city of Riverton formed only two weeks before the railroad reached it when land in the area opened to new residents under the Homestead Act.  The railroad spurred economic development in the region by exporting agricultural products and oil and creating demand for the local coal and lumber industries.  When the railroad industry declined after World War II, the Chicago and North Western gradually decreased its service west of Casper, and by 1974 it was prepared to demolish the Riverton station as well.  A group of Riverton residents instead bought and restored the depot, which now houses businesses.  The depot is the last surviving Chicago and North Western station west of Casper.

Axholme Joint Railway: The Axholme Joint Railway was a committee created as a joint enterprise between the Lancashire and Yorkshire Railway (L&Y) and the North Eastern Railway (NER) and was established by the North Eastern Railway Act of 31 July 1902.  It took over the Goole and Marshland Railway, running from Marshland Junction near to and , and the Isle of Axholme Light Railway, running from Reedness Junction to .  Construction of the Goole and Marshland Railway had begun in 1898, and by the time of the takeover in early 1903, was virtually complete.  The Isle of Axholme Light Railway was started in 1899, but only the section from Reedness Junction to was complete at the takeover.  The northern section opened in November 1903, and the line from Crowle to Haxey Junction opened for passengers on 2 January 1905.

Oakland Wye: The Oakland Wye is an underground junction in downtown Oakland serving the Bay Area Rapid Transit (BART) system, where trains can switch between (a) the northbound Richmond or Pittsburg/Bay Point lines (first station: 12th Street/Oakland City Center, underground), (b) the westbound San Francisco lines (first station: West Oakland, elevated) , and (c) the southbound Fremont or Dublin/Pleasanton lines (first station: Lake Merritt, underground).  The Oakland Wye has been described as one of the central and most complex part of the BART system, and is a speed bottleneck for the whole system because all BART trains pass through it.

Nottingham Joint Station Committee: The Nottingham Joint Station Committee was incorporated by the Great Central and Great Northern Railway Act 1897 to manage the railway station which was to become Nottingham Victoria.  The Committee comprised representatives of the two railway companies to use the station: the Great Northern and the Great Central.

Shaker Square (RTA Rapid Transit station): Shaker Square Station is a station on the RTA Blue and Green Lines in Cleveland, Ohio, USA.  It is the first station west of the junction of the Blue and Green Lines and thus serves as a transfer point between the two lines.

Great Northern Railway (Great Britain): The Great Northern Railway (GNR) was a British railway company established by the Great Northern Railway Act of 1846.  On 1 January 1923 the company lost its identity, as a constituent of the newly formed London and North Eastern Railway.

Supporting paragraphs: Hallington railway station Great Northern Railway (Great Britain)
Answer: Great Northern Railway