[["James Buchanan", 271.0], ["The fifteenth U S president was James Buchanan.", 137.0], ["James Buchanan Jr. was the 15th President.", 112.0], ["The fifteenth U.S. president was James Buchanan, serving from March 4, 1857 to March 3, 1861.", 75.0], ["James Buchanan, the 15th President of the United States (1857-1861), served immediately prior to the American Civil War. He remains the only President to be elected from Pennsylvania and to remain a lifelong bachelor.\n", 74.0], ["James Buchanan, 15th President of the United States, was born in Cove Gap, Pennsylvania, in 1791. ", 55.0], ["The fifteenth president of the United States was James Buchanan ", 19.0]]
who is the fifteenth president
history,presidents