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

Context : Blind Willie Walker died in Greenville in 1933 at age 37 of congenital syphilis, which may have been the reason for his blindness. 
Question : What led to Blind Willie Walker's death?
blindness

Context : Beta Trianguli Australis (β TrA, β Trianguli Australis) is a double star in the southern circumpolar constellation of Triangulum Australe. 
Question : What constellation is Beta Trianguli Australis in?
Triangulum Australe

Context : Marco Alvan is the head Brazilian Jiu Jitsu instructor for Team Link in Ludlow, Massachusetts. 
Question : What city is Marco Alvan from?

Ludlow