Question: David Tremlett currently works in the large village four miles southwest of what city?

Context paragraphs:
Bovingdon: Bovingdon is a large village in Hertfordshire, England, four miles southwest of Hemel Hempstead, and it is a civil parish within the local authority area of Dacorum.  It forms the largest part of the ward of Bovingdon, Flaunden and Chipperfield, which had a population of 4,600 at the 2001 census, increasing to 8,999 at the 2011 Census.

Windsor Green: Windsor Green is a hamlet in the civil parish of Cockfield, in the Babergh District of the county of Suffolk, England.  It is about four miles away from the large village of Lavenham and about eleven miles away from the large town of Bury St. Edmunds.  For transport there is the A1141 road and the A134 road nearby.

Swardeston: Swardeston is a village four miles (6 km) south of Norwich in Norfolk, England, on high ground above the Tas valley.  It covers an area of 3.95 km2 and had a population of 540 in 246 households at the 2001 census, the population increasing at the 2011 census to 619.

Kirkoswald, South Ayrshire: Kirkoswald (Scots: "Kirkossald" ) is a village and parish in the Carrick district of Ayrshire, Scotland, 1¾ miles from the coast and four miles southwest of Maybole.  It takes its name from its "kirk" (church), dedicated to Oswald of Northumbria, who is said to have won a battle here in the 7th century.  The old church, which was built in 1244 and houses the baptismal font of Robert the Bruce, is now a ruin in the grounds of the modern church, which was built in 1777 to a design by Robert Adam.  Kirkoswald is also noted for its connection with Robert Burns, whose maternal ancestors, the Brouns, were from the village.  Burns also attended school here, and would later base the characters Tam o' Shanter, Kirkton Jean and Souter Johnnie on village locals Douglas Graham, John Davidson and Jean Aird.

Manhattan Regional Airport: Manhattan Regional Airport (IATA: MHK, ICAO: KMHK, FAA LID: MHK) in Riley County, Kansas is the second-busiest commercial airport in Kansas.  It is owned by the city of Manhattan, Kansas, and is about five miles southwest of downtown Manhattan.  American Airlines serves the airport with five daily flights to Chicago O'Hare International Airport and Dallas/Fort Worth International Airport.  The airport is also used for general aviation and for planes chartered by the military and college sports teams (the airport is four miles east of Fort Riley and eight miles southwest of Kansas State University's athletic complex).

Dalston, Cumbria: Dalston is a large village and civil parish within the City of Carlisle district of Cumbria, England.  It is situated on the B5299 road about four miles (6 km) south-south-west of Carlisle city centre, and approximately five miles (8 km) from Junction 42 of the M6 motorway.

Black Mountain (Pima County, Arizona): Black Mountain is a lava capped mesa in Pima County, Arizona, that rises 1,000 feet above its base to an altitude of 3700 ft .  It is a northeast trending ridge, 5,600 feet in length, located along Mission Road nine miles southwest of Tucson.  It is on the San Xavier Indian Reservation, 3.18 miles southwest of the Mission San Xavier del Bac.  The Sierrita Mountains rise to the southwest and the Santa Cruz River is about four miles to the east.

Pontesbury: Pontesbury is a large village and civil parish in Shropshire and is approximately eight miles southwest of the county town of Shrewsbury.  In the 2011 census, its population was 3,227.  The village of Minsterley is just over a mile further southwest.  The A488 road runs through the village, on its way from Shrewsbury to Bishop's Castle.  The Rea Brook flows close by to the north with the village itself nestling on the northern edge of the Shropshire Hills AONB.

David Tremlett: David Tremlett (born 13 February 1945 in Dartford, Kent), moved to Sticker, Cornwall at age of 6 months, is an English sculptor, installation artist and photographer.  He currently lives and works in Bovingdon, Hertfordshire, England.  He is married to Laure Genillard who runs an art space in London, they were married in 1987.

Glade Spring Commercial Historic District: Glade Spring Commercial Historic District is the downtown core of the Town of Glade Spring, a community of 1,500 residents in northeastern Washington County, Virginia, less than three miles southwest of the Smyth County line.  Located on the gently rolling floor of the Valley of Virginia (trending southwest-northeast), the town is surrounded by agricultural lands interspersed with clumps of woodland.  The rugged southwest end of Walker Mountain is one mile to the northwest and Little Mountain four miles farther; the Iron Mountains define the opposite side of the Valley about seven miles to the southeast.  On May 28, 2013, the "Town Square" was listed on the National Register of Historic Places.

Supporting paragraphs: David Tremlett Bovingdon
Answer: Hemel Hempstead