Question: What railway station, located 14.25 mi northwest of Lincoln Central, is part of a small group of railway stations consisting of Central and Lea Road in Gainsborough, England?

full_context: Document 1: Grantham railway station: Grantham railway station serves the town of Grantham in Lincolnshire, England and lies on the East Coast Main Line (ECML) 105.5 mi north of London King's Cross.
Document 2: St Albans City railway station: St Albans City railway station, also shortened to St Albans, is one of two railway stations in St Albans, Hertfordshire, England, the other being St Albans Abbey railway station. City station is the more important of the two stations, as it serves London, Gatwick Airport, Luton Airport and Brighton. It is located 0.5 mi east of the city centre, on the Midland Main Line and served by Thameslink trains on the Thameslink route.
Document 3: Frodingham railway station: Frodingham railway station was a railway station in Frodingham, Lincolnshire, England. It was open by the Trent, Ancholme and Grimsby Railway on 1 October 1866 and, like all the others built by that company, had staggered platforms set around the level crossing on the Brigg Road. The first station here was closed in autumn 1886, when a new Frodingham station, built by the Manchester, Sheffield and Lincolnshire Railway, was opened, to the west of the Brigg Road level crossing. This station was suffixed "and Scunthorpe" at some date and was closed in 1928, when the LNER opened a new station which it named Scunthorpe nearer to the town centre.
Document 4: Caythorpe railway station: Caythorpe railway station was a station in Caythorpe, Lincolnshire. Built to serve the nearby village of the same name. It was on the Grantham to Lincoln line, between Honington junction and Leadenham, onwards to Navenby, Harmston, Waddington to Lincoln. The line was owned by the Great Northern Railway. The station closed in 1962 but the line closed in 1965 as part of the Beeching rationalisation of the UK railway system. The site now houses a recycling centre for household waste.
Document 5: Gainsborough Central railway station: Gainsborough Central railway station is a railway station in the town of Gainsborough, Lincolnshire, England. The town's other station is the busier Gainsborough Lea Road. Until as recently as 2006, the station was shown to be one of the least busy in the country as trains only call there one day a week.
Document 6: Habrough railway station: Habrough railway station serves the village of Habrough and the town of Immingham in North East Lincolnshire, England. It was built by the Great Grimsby and Sheffield Junction Railway in 1848. Up until 1988 there was a signal box at the station on the south side of the track and east side of the road with manually-operated gates. It was of typical Great Central Railway signal box design. The main buildings were located on the eastbound platform and were linked to the westbound one via a footbridge, but both have also been demolished and the crossing is now automatic.
Document 7: Gree Goods station: Gree Goods station or Gree Depot as it was listed in the Caledonian Railway Working Timetable was a relatively short lived railway freight facility located approximately one miles south of Lugton on the A736 Lochlibo Road, North Ayrshire, Scotland. Gree Goods served the industrial and agricultural requirements for transportation in the vicinity, with the village of Burnhouse not far away, sitting on the crossroads to Barrmill, Dunlop and Irvine. Over Gree, High Gree, Nether Gree, Gree and Brownhills Farms were located nearby. Gree Goods was close to the Lugton East Junction, just south of the 11 arch Gree Viaduct. The nearest passenger station on the line north was Lugton High and to the south was Giffen.
Document 8: Gainsborough station group: The Gainsborough station group is a small station group of two railway stations in Gainsborough, England consisting of Central and Lea Road. The station group is printed on national rail tickets as GAINSBOROUGH STNS.
Document 9: Leeds New Lane railway station: Leeds New Lane was a proposed new railway station to accommodate High Speed Two rail services in West Yorkshire, England. It was planned to be constructed on a viaduct on New Lane south of Leeds city centre, the River Aire and Leeds City station to which it would be connected by an elevated walkway. The site is occupied by "Central Park", a small low-rise office park built in the 1990s and other small office buildings.
Document 10: Scunthorpe railway station: Scunthorpe railway station serves the town of Scunthorpe in North Lincolnshire, England. The station is located a short walk from the town centre, on Station Road.
Document 11: Thornton–Cleveleys railway station: Thornton–Cleveleys (originally simply-named Cleveleys) was a small-sized railway station which served the two English Lancashire towns of Thornton and Cleveleys, but was situated in the centre of Thornton. Located on the now disused line between Poulton-le-Fylde and Fleetwood , the station also had a shunting yard for the making-up of freight trains for Preston and beyond. During its life it was also known at times as Thornton station and Thornton for Cleveleys station. In the 1860s and early 1870s the line was of great importance being the direct route from London to Glasgow. Before the Shap route was opened, passengers (allegedly including Queen Victoria) would travel from Euston to Fleetwood and then onwards via steamer to Scotland.
Document 12: Great Northern Route: The Great Northern Route (formerly known as Great Northern Electrics) is the name given to suburban rail services run on the southern end of Britain's East Coast Main Line and its associated branches. Services operate to or from London King's Cross and Moorgate in London. Destinations include Hertford North , Welwyn Garden City , Stevenage , Peterborough , Cambridge and King's Lynn . Services run through parts of Greater London, Hertfordshire, Bedfordshire, Cambridgeshire and Norfolk.
Document 13: Sheffield–Lincoln line: The Sheffield–Lincoln line is a railway line in England. It runs from Sheffield east to Lincoln via Worksop, Retford and Gainsborough Lea Road. The route comprises the main line of the former Manchester, Sheffield and Lincolnshire Railway, to Gainsborough, Trent Junction, where it then follows the former Great Northern and Great Eastern Joint Line to Lincoln Central. The former main line continues from Trent Junction to Wrawby Junction, Barnetby, much of it now single line, where it then runs to Cleethorpes. This is currently served by six trains (three each way) on Saturdays only.
Document 14: Galena station: The Galena Amtrak station is a proposed train station located in Galena, Illinois, and will serve a new Chicago-Rockford-Dubuque Amtrak route that was expected to begin operation in late 2014 or early 2015, but has since been put under review by the state of Illinois. However, with the new proposal for Amtrak service to terminate in Rockford following the inability of the state of Illinois to reach a deal with the Canadian National Railway for use of their tracks, the Galena station project is on hold until a deal can be reached with the CN.
Document 15: Gainsborough Lea Road railway station: Gainsborough Lea Road railway station is one of two stations that serve the town of Gainsborough in Lincolnshire, England, the other station being Gainsborough Central, which is located in the town centre. The station is managed by East Midlands Trains and is located 14.25 mi northwest of Lincoln Central on the A156 Lea Road in the south of the town. The station opened in 1867 on a single line of the Great Northern Railway, who ran four trains a day from Gainsborough to Lincoln.
ground_truth: Gainsborough Lea Road railway station