Question: Did Semyon Aranovich Gershgorin attend the university founded by Bella Subbotovskaya?
Sentence (from "Semyon Aranovich Gershgorin"): He began as a student at the Petrograd Technological Institute in 1923, became a Professor in 1930, and was given an appointment at the Leningrad Mechanical Engineering Institute in the same year.
Relevant evidence: Yes