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: The tank landing ship operated out of her new home port, San Diego, until 20 September, including calls at San Francisco, San Pedro, California, Link Information: none Answer: none
answer:
Which location in California where the LST-1159 stopped at has a higher land elevation?


question:
Context: Duffy later appointed New York regional administrator of the Securities and Exchange Commission office (1969–1972). His tenure as Regional Administrator of the United States Securities and Exchange Commission was in a time of turmoil in Wall Street. Link Information: none Answer: none
answer:
What turmoil was Wall Street facing during Duffy's tenure as Regional Administrator of the United States Securities and Exchange Commission?


question:
Context: Late in 1105, Emperor Heinrich V, the last of the Salian dynasty, had his father, Emperor Heinrich IV taken prisoner in Ingelheim Link Information: Holy Roman Emperor

Henry IV (; 11 November 1050 – 7 August 1106) Answer: 31
answer:

How much older was Emperor Heinrich's father than he was when he was taken prisoner in Ingleheim?