[["Lyndon B. Johnson.  He became president in November 1963 following the assassination of John F. Kennedy.  Johnson was elected president in 1964 and served until January 20, 1969.", 21.0], ["Lyndon B. Johnson was President in 1965. ", 12.0], ["Lyndon B. Johnson", 6.0]]
who is the president of the united states in nineteen sixty five
history,presidents