Question: Which breed of sheepdog was introduced into Southern Poland by Romanian shepherds, the Polish Tatra Sheepdog or the Schillerstövare?

Context paragraphs:
Cochlearia tatrae: Cochlearia tatrae or Tatra scurvy-grass is a flowering plant of the genus "Cochlearia" in the family Brassicaceae.  The plant is endemic to and named after the Tatra Mountains, which in northern Slovakia and southern Poland.

Schillerstövare: The Schillerstövare, translated as the Schiller Hound in English, is a breed of dog of the scenthound type, originating as a hunting dog in Sweden in the late 19th century.

Jaskinia Wielka Śnieżna: Jaskinia Wielka Śnieżna ("great snowy cave") is a limestone cave in Mount Małołączniak in the Western Tatra Mountains, of the Carpathian Mountains System, in southern Poland.  The cave is within Tatra National Park.

Tatrzańskie Ochotnicze Pogotowie Ratunkowe: Tatra Volunteer Search and Rescue (Polish: "Tatrzańskie Ochotnicze Pogotowie Ratunkowe (TOPR)" ) is a partially volunteer and non-profit Mountain rescue organization in Poland, rescuing stranded mountain climbers, tourists, and others in need of rescue while in the polish Tatra mountains.

Halny: Halny is a foehn wind that blows in southern Poland and in Slovakia in the Tatra Mountains of the Carpathians.  The most turbulent halny blows in Podhale region of southern Poland, coming from the South, down the slopes of the Tatra Mountains; in Slovakia, on the other side of the mountains, it comes from the North.

Polish Tatra Sheepdog: The Polish Tatra Sheepdog is a breed of dog introduced into the Tatra Mountains of Southern Poland by Vlachian (Romanian) shepherds.

High Tatras: The High Tatras or High Tatra Mountains (Slovak and Czech: "Vysoké Tatry" , Polish: "Tatry Wysokie" , Hungarian: "Magas-Tátra" ), are a mountain range along the border of northern Slovakia in the Prešov Region, and southern Poland in the Lesser Poland Voivodeship.  They are a range of the Tatra Mountains chain.

Żywiec Beskids: The Żywiec Beskids (Polish: "Beskid Żywiecki" ) is a mountain range in the Outer Western Carpathians in southern Poland.  It is the second highest range in Poland, after the Tatra Mountains.  The highest peak is Babia Góra (1,725 m) and Pilsko (1,557 m).

Maremma Sheepdog: The Maremma Sheepdog, in Italian Cane da pastore Maremmano-Abruzzese, is a breed of livestock guardian dog indigenous to central Italy, particularly to Abruzzo and the Maremma region of Tuscany and Lazio.  It has been used for centuries by Italian shepherds to guard sheep from wolves.  The literal English translation of the name is "The dog of the shepherds of the Maremma and Abruzzese region".  The English name of the breed derives from that of the Maremma marshlands, where until recently shepherds, dogs and hundreds of thousands of sheep over-wintered, and where the breed is today abundant although sheep-farming has decreased substantially.  The breed is widely employed in Abruzzo, where sheep herding remains vital to the rural economy and the wolf remains an active and protected predator.  Similar breeds include the Pyrenean Mountain Dog, the Kuvasz of Hungary, the Tatra of Poland, the Cuvac of Slovakia and the Šarplaninac (although not white), with all of which it may share a common ancestor; and the Akbash Dog of Turkey.

Tatra County: Tatra County (Polish: "powiat tatrzański" ) is a unit of territorial administration and local government (powiat) in Lesser Poland Voivodeship, southern Poland, on the Slovak border.  It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998.  Its administrative seat and only town is Zakopane, which lies 85 km south of the regional capital Kraków.  The county takes its name from the Tatra mountain range, which covers most of its territory.

Supporting paragraphs: Schillerstövare Polish Tatra Sheepdog
Answer: Polish Tatra Sheepdog