Read the following premise and answer if the hypothesis is true.
Frederick "Dennis" Greene (January 11, 1949 – September 5, 2015) was an American singer who was a member of Sha Na Na who were formed in 1969 at Columbia University in New York as the Columbia Kingsmen. The name change to Sha Na Na occurred because of another group with a similar name, which was known for the song Louie Louie.
Hypothesis: Frederick "Dennis" Greene lived in the 20th century and 21st century.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes.