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.

Context: to jump across the Snake River Link Information: none Answer: none
How wide is the body of water that Evel Knievel attempted to jump across?

Context: She then taught at Southern Illinois University in 1926–28 Link Information: Agnes Larson (15 March 1892 – 24 January 1957) Answer: 34
How old was Larson's sister Agnes the year Larson began teaching at Southern Illinois University?

Context: The capital city is Stockholm. Sweden has a total population of 10.3 million of which 2.5 million have a foreign background. Link Information: 

Stockholm () is the capital of Sweden and the most populous urban area in the Nordic countries; 972,647 people live in the municipality, approximately 1.6 million in the urban area, and 2.4 million in the metropolitan area.  Answer: 1.6 million

How much of Sweden's population resides within it's capital city?