Question: When was Chand Kaur's husband born?
Sentence (from "Chand Kaur"): In 1840 Kharak Singh and Nau Nihal Singh were assassinated and, on the grounds that Nau Nihal Singh's widow Sahib Kaur was pregnant, Chand Kaur staked her claim as regent for the unborn successor to the throne.
Relevant evidence: No