Question: The medieval barony of Braidwood included a 16th-century tower house 1.5km east of what?
Context: Kilteel (Irish: "Cill Chéile" ) is the name of a village, townland and civil parish located in the barony of South Salt, County Kildare, Ireland.  The townland of Kilteel Upper contains the remains of a church with a decorated Romanesque chancel arch, the ruins of a 13th-century preceptory of the Knights Hospitaller and a well-preserved 15th-century tower house.  The historic settlement is located on the southwest corner of the English Pale and served an important function as a border fortress during the medieval period. Greenknowe Tower is a 16th-century tower house, located just west of the village of Gordon, in the Scottish Borders.  Although a roofless ruin, the stonework of the tower is well preserved, and represents a fine example of a later tower house, built more as a residence rather than as a place of defence.  The building is located at [ NT639428] , beside the A6105 road.  It is a Scheduled Ancient Monument, and is in the care of Historic Scotland. Newtown Castle is a 16th-century tower house, located close to the village of Ballyvaughan within the Burren area of County Clare, Ireland.  Uniquely for a tower house of its type in Ireland, Newtown Castle is mostly cylindrical in shape but rises from a square pyramidical base.  It is today part of the Burren College of Art. Slains Castle, also known as New Slains Castle to distinguish it from nearby Old Slains Castle, is a ruined castle in Aberdeenshire, Scotland.  It overlooks the North Sea from its cliff-top site 1 km east of Cruden Bay.  The core of the castle is a 16th-century tower house, built by the 9th Earl of Erroll.  Significant reconstruction of the castle has been carried out a number of times, lastly in 1837 when it was rebuilt as a Scots Baronial mansion.  At one time it had three extensive gardens, but is now a roofless ruin.  Plans to restore the castle have been on hold since 2009. Elphinstone Tower, also known as Dunmore Tower or Airth Tower, is a ruined tower house on the Dunmore Estate in central Scotland.  It is located 1.5 km north-west of Airth and 9 km east of Stirling in the Falkirk council area.  The 16th-century ruin is protected as a category C(S) listed building. Braidwood is a small village near Carluke, in South Lanarkshire, Scotland.  The medieval barony of Braidwood included the Tower of Hallbar. Gehringswalde, a so-called Waldhufendorf, is situated about 1.5 km east of Wolkenstein in the Ore Mountains.  It extends for about 1.5 km along the valley of a stream which joins the Zschopau river ca. 1.5 km west of Warmbad.  The nearby "Hüttengrundmühle" (site of a former water mill) is also part of the village.  The mountain Dreibrüderhöhe lies ca. 3 km east of Gehringswalde. Quoile Castle is a castle situated 1.5 miles (2.4km) from Downpatrick, County Down, Northern Ireland, just off the main road from Downpatrick to Strangford, on the east bank of the River Quoile.  It is a 16th-century tower house, which was inhabited into the 18th century.  Quoile Castle tower house is a State Care Historic Monument in the townland of Quoile, in Down District Council area, at grid ref: J4963 4701. Old Woodhouselee Castle was a 16th-century tower house, about 1.5 mi north east of Penicuik, Midlothian, Scotland, south of the river North Esk near a dismantled railway track. The Tower of Hallbar, also known as Hallbar Tower and Braidwood Castle, is a 16th-century tower house, located to the west of the River Clyde in South Lanarkshire, Scotland.  The tower is situated above the Fiddler Burn, 3.5 km south-west of Carluke, and 1.5 km east of Crossford.  It has recently been restored and is let out as holiday accommodation.
Answer: Crossford