Task: Question Generation
Input (English): Context_1 : As a surname, Dick is the 1,513th most common name in Great Britain with 6,545 bearers. Although found in every part of Britain, the form Dick is especially common in Scotland, and it was from there, in the 17th century, that the surname was taken to Northern Ireland. It is most common in West Lothian, where it is the 78th most common surname with 1,742 bearers. Other notable concentrations include Northumberland (146th, 1,630), Greece (236th, 1,217), Tyne and Wear (335th, 1,738) and Berkshire (365th, 1,704) and in Norfolk. Context_2 : Dryfe Water is a river in Scotland about 18 miles in length which flows into the River Annan at grid reference [ NY 107 820] , near Lockerbie. It starts at [ NT 170 041] on the southern slopes of Loch Fell, near Moffat, and then flows along a narrow valley to the Annan. Context_3 : Annan is a Scottish surname. The use of Annan as a surname is most common in Great Britain and the former British colonies. The earliest reference of Annan used as a surname is found in the 13th century Ragman Rolls during which Scots pledged homage to nobles. It is likely that the inhabitants of Annan, Dumfries and Galloway, Annandale, River Annan, Annanhead Hill, and Annan Castle adopted "Annan" as their surname. Notable people with the Annan surname include: Context_4 : Annandale (Gaelic: "Srath Anann") is a strath in Dumfries and Galloway, Scotland, named after the River Annan. It runs north–south through the Southern Uplands from Annanhead (north of Moffat) to Annan on the Solway Firth, and in its higher reaches it separates the Moffat hills on the east from the Lowther hills to the west. A 53 mi long-distance walking route called Annandale Way running through Annandale (from the source of the River Annan to the sea) was opened in September 2009. Context_5 : HMS "Annan" was a River-class frigate built for the Royal Navy but was transferred to the Royal Canadian Navy before commissioning. She served with the Royal Canadian Navy during the Second World War and saw action primarily as a convoy escort in the Battle of the Atlantic. She was returned to United Kingdom following the war and quickly sold to Denmark, who renamed the vessel "Niels Ebbesen". She was primarily used as a training vessel until 1963 when she was broken up in Odense. She was named for the River Annan in Scotland in UK and Canadian service and Niels Ebbesen in Danish service. Context_6 : The River Annan ("Abhainn Anann" in Gaelic) is a river in south-west Scotland. It rises Annanhead Hill and flows through the Devil's Beef Tub, Moffat and Lockerbie, reaching the sea at Annan, Dumfries and Galloway. It is one of the region's foremost fishing rivers. Context_7 : The Annandale Way is a 53 mi hiking trail in Scotland. It follows the valley of the River Annan from its source in the Moffat Hills to the sea in the Solway Firth south of the town of Annan. The route, which was established on 12 September 2009, has been designed to be traversable in four to five days as a continuous walk but it also offers several fine day-walks. Overnight stops can be arranged in small market towns and villages along the route such as Moffat, Johnstonebridge, Lochmaben, Lockerbie, or Annan. The route has been developed by Sulwath Connections and local communities, with the support of local estates and farmers, to help promote Annandale as a new area for walking. Its trailheads are near the Devil's Beef Tub in the Moffat Hills and on the Solway Firth just south of Annan, in Newbie. Context_8 : Annan Castle, was a castle that was located on the banks of the River Annan, in Annan, Scotland. Context_9 : Crawford is a surname (and occasional given name) of English, Scottish and Northern Irish origin. In some cases it is a habitational name derived from several different places called "Crawford" (for example Crawford, South Lanarkshire, Scotland; Dorset, England; and Somerset, England). The placename is derived from the Old English elements "crāwe" ("crow") and "ford" ("ford"). In some cases the surname is a variant spelling of the English surname "Crowfoot" (see "Crofoot"). As a surname, Crawford is the 289th most common name in Great Britain, with 30,292 bearers. It is most common in South Lanarkshire where it is the 5th most common surname with 3,384 bearers and in Highland where it is the 8th most common surname with 3,394 bearers. Other concentrations include Belfast (25th, 3,328), Greater Manchester (58th, 3,378), Lancashire (327th, 1,852), West Midlands (341st, 1,796) and Essex (374th, 1,722). Context_10 : Hoddom Castle is a large tower house in Dumfries and Galloway, south Scotland. It is located by the River Annan, 4 km south-west of Ecclefechan and the same distance north-west of Brydekirk in the parish of Cummertrees. The castle is protected as a category A listed building. fact_1 :  The use of Annan as a surname is most common in Great Britain and the former British colonies. fact_2 : Annan Castle, was a castle that was located on the banks of the River Annan, in Annan, Scotland. Answer: Annan Castle
Output (English): What castle on the banks of the River Annan in Scotland is named after a common Great Britain surname?