Q: In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Passage: Mirche Atsev was born in 1859 in the village of Oreovec in the Prilep district, then part of the Ottoman Empire. He was named after his father, Mirche Atsev, who was a well-known voyvoda. He schooled himself in Prilep and then he worked as a shepherd. After Turks murdered his father, he joined the Hayduk's band of Kone Pavlov in 1885. Houever, in the next year, he was arrested and imprisoned in Solun. After having escaped from the prison, Atsev moved to Bulgaria. During his stay in Sofia, he was accused of involvement in the murder of Stefan Stambolov, as a result of which he was imprisoned for three years in the Black Mosque, (now Sveti Sedmochislenitsi Church). In Sofia, together with his brothers Petar and Georgi, he joined the revolutionary activity of the IMARO against the Turkish authorities. In 1899, Atsev entered with a revolutionary band into Ottomn Macedonia, in the region of Nevrokop. Later, he was a voyvoda in the region in Prilep. In 1901, on the way to the village of Ulanci, in the Tikves region, his band was chased and crushed by a Turkish military detachment. Mirche Atsev died in this battle.
Link Information: Stambolov led a counter-coup on 28 August which removed the Russian-controlled provisional government, and he assumed the position of regent Question: What politacal position did Stefan Stambolov hold?
A:
Answer: regent