question: What type of a scholar was the rabbi who asked Rabbi Dovid Povarsky to join the previous two heads of the institute?
answer: Torah and Talmudic scholar
context: Title: Yosef Shlomo Kahaneman
  Passage: Yosef Shlomo Kahaneman (1886–1969), , was an Orthodox rabbi and rosh yeshiva of the Ponevezh Yeshiva.  He was a renowned Torah and Talmudic scholar, a distinguished member of the Council of Torah Sages of Agudath Israel.
  Title: Dovid Povarsky
  Passage: Rabbi Dovid Povarsky (Hebrew: יהושע דוד פוברסקי‎ "Yehoshua Dovid Povarsky"; 1902–1999) is known for his erudite Talmudic lectures and his deanship as Rosh Yeshiva of Ponevezh Yeshiva.  He was asked by Rabbi Yosef Shlomo Kahaneman to join the previous two heads of the institute, Rabbi Elazar Menachem Shach and Rabbi Shmuel Rozovsky to create a triumvirate in leading the Yeshiva.
  Title: Hillel Fendel
  Passage: Hillel Fendel (Hebrew: הלל פנדל‎ ‎ ) was, for 16 years, senior editor and co-founder of Arutz Sheva's "Israel National News" and also works as an author and editor.  He worked as a teacher and rabbi in the past.  He is a son of Rabbi Meyer Fendel, founder of Hebrew Academy of Nassau County, and the brother of Rabbi Dovid Fendel, founder of the Hesder Yeshiva of Sderot.  He is also a nephew of the late Orthodox Jewish educator and author, Rabbi Zechariah Fendel.
citations: Yosef Shlomo Kahaneman Dovid Povarsky