Question: What is the name of the pet cat of the U.S. President Bill Clinton's family during his presidency and part of the 1998 children's book written by First Lady Hillary Clinton?
Sentence (from "Socks (cat)"): As an adopted stray cat, he was the only pet of the Clintons during the early years of the administration, and his likeness hosted the children's version of the White House website.
Relevant evidence: No