[["Zachary Taylor, a general and national hero in the United States Army from the time of the Mexican-American War and the War of 1812, was elected the 12th U.S. President, serving from March 1849 until his death in July 1850.", 920.0], ["Zachary Taylor was the twelfth president of the United States, serving from March 1849 until his death in July 1850.", 476.0], ["Zachary Taylor\n", 156.0], ["The 12th President of the United States was Zachary Taylor.", 89.0]]
who is the twelfth president of the united states
history