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

Context : The RPG-40 was an anti-tank hand grenade developed by the Soviet Union in 1940.
Question : What year was the service entry date for RPG-40?
1940

Context : '' Vestal Goodman died at the age 74 of complications from influenza while on Christmas vacation in Florida with her family.
Question : What led to Vestal Goodman's death?
influenza

Context : Apache Forrest is a web-publishing framework based on Apache Cocoon.
Question : The Apache Forrest is based upon what?
Apache Cocoon