Given the task definition and input, reply with output. In this task, given a sentence in the English language, your task is to convert it into the Japanese language.

40th President of the United States Ronald Reagan said Williams' voice was "a national treasure".

アメリカ合衆国第40代大統領ロナルド・レーガンは、ウィリアムスの声は「国の宝」だと述べました。