Question: Who is Mary, Crown Princess of Denmark's mother-in-law?
Sentence (from "Frederik, Crown Prince of Denmark"): Frederik, Crown Prince of Denmark, Count of Monpezat, {'1': ", '2': ", '3': 'RE, SKmd', '4': "} (Frederik André Henrik Christian; born 26 May 1968) is the heir apparent to the throne of Denmark.
Relevant evidence: No