Question: who are the dolly sisters?
Answer: Hollywood, California, U.S. Rosie Dolly (October 25, 1892 – February 1, 1970) and Jenny Dolly (October 25, 1892 – June 1, 1941), known professionally as (the) Dolly Sisters, were Hungarian-American identical twin dancers, singers and actresses, popular in vaudeville and theatre during the 1910s and 1920s.