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

Context : M. Waldo Hatler (January 6, 1894 - August 31, 1967) was a Sergeant in the United States Army during World War I who received the Medal of Honor for heroism near Pouilly, France, November 8, 1918. 
Question : In what war was M. Waldo Hatler a combatant?
World War I

Context : Familie is produced by Studio-A and runs on vtm. 
Question : What network did Familie air on?
vtm

Context : Igor Vinichenko (Russian: Игорь Виниченко; born 21 April 1984) is a male hammer thrower from Russia. 
Question : What is the gender of Igor Vinichenko?

male