Problem: Given the question: Bogusaw I, of the House of Griffins was Duke of Pomerania-Stettin from 1156 to 1187, he was first married to Walburgis (d. 1177), daughter of which King of Denmark from 1146 until his death in 1182?
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The answer is:
Valdemar I of Denmark

Problem: Given the question: Are both Steven Zaillian and Arthur Nersesian american?
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The answer is:
yes

Problem: Given the question: Which South Korean film director directed the 2012 romance "Love 911"
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The answer is:
Jeong Gi-hun