Question:  The leader of the Crimean Karaites followed Şahin Giray to what protectress who was the country's longest-ruling female leader and arguably its most renowned?
Sentence (from "Benjamin Aga"): Benjamin Aga (Karaim: Беньямин Агъа), who died in 1824, was the leader of the Crimean Karaites.
Relevant evidence: Yes