Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : Sporting Cristal plays home games at the Estadio Alberto Gallardo, but they also play at the Estadio Nacional.
Question : What was the name of Sporting Cristal's home stadium?
[EX A]: Estadio Alberto Gallardo

[EX Q]: Context : Hans Peter Helander (born December 4, 1951 in Stockholm, Sweden) is a Swedish retired professional hockey player who played seven games for the Los Angeles Kings in the National Hockey League.
Question : What team does Peter Helander belong to?
[EX A]: Los Angeles Kings

[EX Q]: Context : Shirley Graham Du Bois died of breast cancer on March 27, 1977, aged 80, in Beijing, China, where she had gone for treatment.
Question : What did Shirley Graham Du Bois die of?
[EX A]:
breast cancer