Sidney Altman (born May 7, 1939) is a Canadian and American molecular biologist, who is the Sterling Professor of Molecular, Cellular, and Developmental Biology and Chemistry at Yale University. In 1989 he shared the Nobel Prize in Chemistry with Thomas R. Cech for their work on the catalytic properties of RNA.
Sidney Altman lives in Canada and America.
The statement is neither correct or nor incorrect because the given context does not state that Altman lives in both Canada and America. It may be assumed that he does, and the system probably made that mistake. But the content does not specifically say that he does.