Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Q: D0g is a fictional character in the Half-Life series of video games, first introduced in Half-Life 2 in 2004.

A: What fictional work does D0g exist in?
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Q: Sir Thomas Lea, 1st Baronet (17 January 1841 -- 9 January 1902) was an English carpet manufacturer from Kidderminster, and a Liberal Party politician.

A: What nationality is Sir Thomas Lea, 1st Baronet?
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Q: Princess Ingeborg Magnusdotter of Sweden, (b. 1277, Sweden -- d. 5 April or 15 August 1319), was a Danish queen consort, daughter of king Magnus III of Sweden and wife of king Eric VI of Denmark.

A:
Who fathered Ingeborg Magnusdotter of Sweden?
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