Question: Which of the people that worked on "Der Struwwelpeter" died February 14, 1988?
Sentence (from "Alfredo Vega"): Alfredo "Chacho" Vega (born February 2, 1935 in San Lorenzo, Paraguay - died February 14, 2012 in San Lorenzo, Paraguay) is a retired Paraguayan footballer who played for clubs of Paraguay, Brazil, Chile and Colombia.
Relevant evidence: No