[["Abraham Lincoln, James Garfield, William McKinley, and John Kennedy were assassinated.", 176.0], ["\n\nFour sitting presidents have been killed: Abraham Lincoln (1865, by John Wilkes Booth), James A. Garfield (1881, by Charles J. Guiteau), William McKinley (1901, by Leon Czolgosz), and John F. Kennedy (1963, by Lee Harvey Oswald).", 0.0]]
name the presidents that were assassinated in office
history,presidents