Task: Question Generation
Input (English): Context : Maria Sibylla Merian was born on 2 April 1647 in Frankfurt, then a free imperial city of the Holy Roman Empire, into the family of the Swiss engraver and publisher Matthäus Merian the Elder. 
Subject : Maria Sibylla Merian 
Relation : date of death
Output (English): What was the death date of Maria Sibylla Merian?