Question: What is the date of birth of Marja-Liisa Vartio's husband?
Sentence (from "Paavo Haavikko"): Paavo Juhani Haavikko (January 25, 1931 in Helsinki – October 6, 2008) was a Finnish poet, playwright, essayist and publisher, considered one of the country's most outstanding writers.
Relevant evidence: Yes