CREATE TABLE table_50853 ("Name" TEXT, "Other names" TEXT, "Birth" TEXT, "Death" TEXT, "Death Place" TEXT, "Mother" TEXT)

when is death when death place is murshidabad and name is mir mehndi?
SELECT "Death" FROM table_50853 WHERE "Death Place" = 'murshidabad' AND "Name" = 'mir mehndi'
SELECT "Death" FROM "table_50853" WHERE "Death Place" = 'murshidabad' AND "Name" = 'mir mehndi'