Question: What is the date of death of Lyudmila Zhivkova's father?
Sentence (from "Todor Zhivkov"): Todor Khristov Zhivkov (7 September 1911 – 5 August 1998) was a Bulgarian politician who served as the de facto leader of the People's Republic of Bulgaria (PRB) from 1954 until 1989 as General Secretary of the Bulgarian Communist Party.
Relevant evidence: Yes