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.

[Q]: Context: Davis sailed for San Francisco, California, around Cape Horn in 1852 Link Information:  By 1890, San Francisco's population approached 300,000 Answer: approached 300,000
[A]: How many people lived in San Francisco the year Davis embarked on his journey to the city?


[Q]: Context: McCartney announced two initial festival dates in Europe for the upcoming summer. These two headlining performances at Pinkpop Festival in Landgraaf, Netherlands and Rock Werchter in Werchter, Belgium Link Information: Starting in 1970, at Burgemeester Damen Sportpark in the town of Geleen, PinkPop Answer: Pinkpop Festival
[A]: Which of the two festivals where McCartney was scheduled to headline has existed longer?


[Q]: Context: lectures of Rabbi Meltzer and his son-in-law, Rabbi Aharon Kotler. Link Information: none Answer: none
[A]:
What was the name of Meltzer's daughter who got married to a rabbi?