question: In what years was Töregene Khatun the regent of the Mongol Empire ?
answer: 1241 -- 1246
turker_answer: Between 1241 and 1246 Toregene Khatun was the regent of the Mongol Empire .
rule-based: Töregene Khatun was the regent of the Mongol Empire in 1241 -- 1246 .