Question: When is Prabhavati Devi's husband's birthday?
Sentence (from "Prabhavati Devi"): Prabhavati Devi Narayan ("née" Prasad; 1906 – 15 April 1973) was an Indian freedom fighter from the present day state of Bihar, and wife of celebrated freedom fighter and social activist, Jayprakash Narayan.
Relevant evidence: Yes