Question: What district in the NG postcode area is located approximately 3 mi south-east of Nottingham?

Context paragraphs:
Cumberworth: Cumberworth is a small village and civil parish in the East Lindsey district of Lincolnshire, England.  It is situated approximately 3 mi south-east from the town of Alford.

Legbourne, Lincolnshire: Legbourne is a village and civil parish in the East Lindsey district of Lincolnshire, England.  It is situated approximately 3 mi south-east from the town of Louth.

Ellough: Ellough is a parish in the English county of Suffolk located approximately 3 mi south-east of Beccles.  The area is sparsely populated with a mid-2005 population estimate of 40.  Neighbouring villages include North Cove, Weston, Sotterley and Henstead.  The parish council operates to administer jointly the parishes of Shadingfield, Willingham St Mary, Sotterley and Ellough.

Gamston, Rushcliffe: Gamston is a ward, civil parish and a suburb of West Bridgford, in the Rushcliffe district of Nottinghamshire, England.  The population of the civil parish as of the 2011 census is 2,164.  It is situated approximately 3 mi south-east of Nottingham and is part of the West Bridgford postcode of NG2.

NG postcode area: The NG postcode area, also known as the Nottingham postcode area, is a group of postcode districts around Nottingham that covers Nottinghamshire (except for the Bassetlaw district and the far southwest of Rushcliffe borough), south east Derbyshire, south west Lincolnshire and part of north east Leicestershire.

Saltmarshe: Saltmarshe is a hamlet in the East Riding of Yorkshire, England.  It forms part of the civil parish of Laxton, and is situated on the north bank of the River Ouse, approximately 3 mi south-east from Howden and 21 mi south-east from the county town of York.

Cranwell: Cranwell is a village in the North Kesteven district of Lincolnshire, England.  It is part of the civil parish of Cranwell and Byard's Leap and is situated approximately 3 mi north-west from Sleaford and 14 mi south-east from the city and county town of Lincoln.  The principal through road, the B1429 between the A15 to the east and the A17 to the west, joins the village to RAF Cranwell.  The appropriate civil parish is called Cranwell, Brauncewell and Byard's Leap with a population of 2,827 at the 2011 census.

Stapleton, Selby: Stapleton is a village in the Selby district of North Yorkshire, England.  The population taken at the 2011 Census was less than 100.  Details are included in the civil parish of Womersley.  It is situated approximately 3 mi south-east from the towns of Pontefract and Knottingley.

Belph: Belph is a village or hamlet in the District of Bolsover, Derbyshire, England.  It is part of the Welbeck Abbey Estate, on the edge of Sherwood Forest.  The village is 1 mi south-east of Hodthorpe, 1 mi south-east of Whitwell and 3 mi south-west of Worksop (where the population is listed).  The village is the easternmost settlement in Derbyshire.

Kildale: Kildale is a village and civil parish in Hambleton district of North Yorkshire, England.  It lies approximately 3 mi south-east from Great Ayton, within the North York Moors National Park and on the Cleveland Way National Trail.  The parish occupies 5730 acre , with 3416 acre being taken up by moorland.

Supporting paragraphs: Gamston, Rushcliffe NG postcode area
Answer: Rushcliffe district