Question: Benedikt Anton Aufschnaiter was born in a a small medieval town situated along what river?
Context: Benedikt Anton Aufschnaiter (baptised 21 February 1665, Kitzbühel – buried 24 January 1742, Passau) was an Austrian Baroque composer. Martel is a commune in the Lot department in southwestern France.  It is a small medieval town in a region well known for its walnuts and truffles. Medieval Town of Toruń (Polish: "zespół staromiejski Torunia" ) is the oldest historic district of the city of Toruń.  It is one of World Heritage Sites in Poland (added in 1997).  According to UNESCO, its value lies in its being "a small historic trading city that preserves to a remarkable extent its original street pattern and outstanding early buildings, and which provides an exceptionally complete picture of the medieval way of life".  The Medieval Town has an area of 60 ha and a buffer zone of 300 ha.  It is composed of the Toruń Old Town, Toruń New Town, and the Toruń Castle. Kitzbühel (] ) is a small medieval town situated along the river Kitzbuhler Ache in Tyrol, Austria and the administrative centre of the Kitzbühel district ("Bezirk").  It has a population of 8,134 (as of 1 January 2013).  The town is situated in the Kitzbühel Alps about 100 km east of the state capital of Innsbruck.  It is a ski resort of international renown. Coldirodi is a small medieval town in Liguria, Italy, situated on the hills between Sanremo and Ospedaletti.  The town has approximately 3000 inhabitants and is today part of the Comune di Sanremo. Villasis is a farming town situated along the Agno River.  On its borders are the towns of Malasiqui (on the west), Urdaneta City (on the north), Asingan (on the east), and Rosales and Sto.  Tomas (on the south).  Hemmed between two bustling areas, Urdaneta City and Rosales, Villasis is one of the fastest developing towns in the province.  It also thrives on its rice, corn and tobacco plantations.  Its hilly barangays situated along the Malasiqui boundary is an ideal place for resort developers and agri-businessmen. Yvoire is a small medieval town in the department of Haute-Savoie, in the southeastern French region of Auvergne-Rhône-Alpes. Léry is a small town situated along the south shore of Lake Saint-Louis in Quebec, Canada.  The population as of the Canada 2011 Census was 2,307.  Located on Route 132 west of Châteauguay and east of Beauharnois in the administrative region of Montérégie, the town is home to the Bellevue Golf Club, with its two 18-hole courses. Caunes-Minervois is a small medieval town or “commune” in the Aude department in the Occitanie region in southern France.  It is known particularly for its ancient Abbey, dating from the eighth century, and the outstanding red marble that has been quarried locally from Roman times.  The name may derive from the ancient local Occitan word for cave, “cauna”, of which there are a number in the immediate area. Dahlem is a municipality in the district of Euskirchen.  It has the lowest population density and population of all municipalities of in the state of North Rhine-Westphalia, Germany.  It is located in the Eifel hills, approx. 35 km south-west of Euskirchen.  The small medieval town Kronenburg is part of the municipality.
Answer: Kitzbuhler Ache