Definition: Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.
Input: original question: What's the family name of [Toller Cranston]?
answer: cranston
answer type: Family name.
auxiliary information: Toller Shalitoe Montague Cranston, CM was a Canadian figure skater and painter. He won the 1971‚Äì1976 Canadian national championships, the 1974 World bronze medal and the 1976 Olympic bronze medal. Despite never winning at the World Figure Skating Championships due to his poor compulsory figures, he won the small medal for free skating at the 1972 and 1974 championships. Cranston is credited by many with having brought a new level of artistry to men's figure skating.

[Toller Cranston]'s family name is what?