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

Context : The Prince of Headwaiters is a 1927 American silent drama film directed by John Francis Dillon.
Question : Who id the director for The Prince of Headwaiters?
John Francis Dillon

Context : Keli Lane (born 21 March 1975), a former Australian water polo player, was convicted of the 1996 murder of her newborn baby Tegan, and three counts of lying under oath.
Question : Which crime Keli Lane is considered to have commited?
murder

Context : The BMD-1 is a Soviet airborne amphibious tracked infantry fighting vehicle, which was introduced in 1969 and first seen by the West in 1970.
Question : What year was BMD-1 introduced?
1969