[["Ronald Reagan, originally an American actor and politician, became the 40th President of the United States serving from 1981 to 1989.", 516.0], ["Ronald Reagan was the 40th President of the United States. He served from 1981 to 1989. ", 85.0], ["Ronald Reagan", 67.0], ["Ronald Reagan was the 40th President of the United States.", 39.0], ["The 40th President of the United States was Ronald Reagan.", 9.0]]
who is the fortieth president president of the united states
history,presidents