instruction:
In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
question:
Context: Modelmaker Peter Firmin and writer Oliver Postgate similarly created several stop-motion animated works for children during this period, including "Pingwings" (1961–1964), "Pogles' Wood" (1966–1967) and "Clangers" (1969–1972). Link Information: none Answer: none
answer:
Which of the stop-motion animated works created by Firmin and Postgate had the most success?


question:
Context: In September 2018, the Danish Football Association and players' union were scheduled to sign a new national team agreement for the players of the Denmark national team prior to a friendly against Slovakia Link Information: none Answer: none
answer:
How many championships were won by the team   Denmark national team played a friendly against prior to being scheduled to sign a new national team agreement? 


question:
Context: Australian land forces defeated Japanese Marines in New Guinea at the Battle of Milne Bay Link Information: The Battle of Milne Bay (25 August – 7 September 1942) Answer: 7 September 1942
answer:

On what date did the battle end in which Australian land forces defeated Japanese Marines in New Guinea?