Question: What united states president had a cat named socks?

Context paragraphs:
Philippines–United States relations: Philippines – United States relations (Filipino: "Ugnayang Pilipinas at Estados Unidos") are bilateral relations between the United States of America and its former colony, the Republic of the Philippines.  The relationship between the United States and the Philippines has historically been strong and has been described as a Special Relationship.  The current Philippine president Rodrigo Duterte, however, is supportive of a foreign policy that is less dependent on the United States, favoring one that prioritizes closer relations with China instead.  The Philippines is one of the oldest Asian partners of the U.S. and a strategically major non-NATO ally.  The United States was consistently ranked as one of the Philippines' favorite nations in the world, with 90% of Filipinos viewing the U.S. and 91% viewing Americans favorably in 2002, 90% of Filipinos viewing U.S. influence positively in 2011, 85% of Filipinos viewing the U.S. and Americans favorably in 2013, and 92% of Filipinos viewing the U.S. favorably in 2015, and 94% having confidence in United States president, Barack Obama, making the Philippines the most pro-American country in the world.  On October 20, 2016, the President of the Philippines announced a "separation" from the United States, both militarily and economically, in favor of alliances with China and Russia.

Semper Fidelis (march): "Semper Fidelis", written in 1888 by John Philip Sousa (The March King), is regarded as the official march of the United States Marine Corps.  This piece was one of two composed in response to a request from United States President Chester Arthur for a new piece to be associated with the United States President.  The words Semper Fidelis are Latin for "Always Faithful."

Dear Socks, Dear Buddy: Dear Socks, Dear Buddy: Kids' Letters to the First Pets is a 1998 children's book written by First Lady of the United States Hillary Rodham Clinton.  It concerns the two pets that lived in the White House during the Clinton administration, Socks the cat and Buddy the dog.

Buddy (dog): Buddy (August 7, 1997 – January 2, 2002), a male chocolate-colored Labrador Retriever, was one of two pets kept by the Clinton family while Bill Clinton was President of the United States.  The Clintons' other pet was a cat named Socks.

Into the Wild (novel): Into the Wild is a children's fantasy novel written by Erin Hunter after concepts and outlines created and developed by Victoria Holmes.  The novel was published by HarperCollins in Canada and the United States in January 2003, and in the United Kingdom in February 2003.  It is the first novel in the "Warriors" series.  The book has been published in paperback, and e-book formats in twenty different languages.  The story is about a young domestic cat named Rusty who leaves his human owners to join a group of forest-dwelling feral cats called ThunderClan, adopting a new name: Firepaw.  He is trained to defend and hunt for the Clan, becomes embroiled in a murder and betrayal within the Clan, and, at the end of the book, receives his warrior name, Fireheart, after a battle with another Clan.  The novel is written from the perspective of Fireheart (previously known as Rusty for a short time, then, for most of the book, Firepaw).

Presidency of Andrew Johnson: The presidency of Andrew Johnson began on April 15, 1865, when Andrew Johnson became President of the United States upon the death of President Abraham Lincoln, and ended on March 4, 1869.  He had been Vice President of the United States for only days when he succeeded to the presidency.  The 17th United States president, he was a member of the Democratic Party before the Civil War, and was Lincoln's 1864 running mate on the National Union ticket, which was supported by Republicans and War Democrats.  He took office as the Civil War came to a close, and his presidency was dominated by the aftermath of the war.  Republican Ulysses S. Grant succeeded Johnson as president.

Socks (cat): Socks Clinton (Spring 1989 – February 20, 2009) was the pet cat of U.S. President Bill Clinton's family during his presidency.  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.  After Clinton left office, Socks resided with former Clinton secretary Betty Currie and her husband, owing to continuing conflicts with Clinton's dog Buddy.

Timeline of the presidency of Gerald Ford: The presidency of Gerald Ford began on August 9, 1974, when Gerald Ford became President of the United States, and ended on January 20, 1977, a span of days.  Ford, the 38th United States president, succeeded Richard Nixon, who had resigned from office.  Prior to this he was the 40th Vice President of the United States, serving from 1973 until President Richard Nixon's resignation in 1974.  He was the first person appointed to the vice presidency under the terms of the Twenty-fifth Amendment to the United States Constitution, following the resignation of Vice President Spiro Agnew on October 10, 1973.  Ford has the distinction of being the first, and to date the only person to have served as both vice president and president without being elected to either office.

Laurence Luckinbill: Laurence George Luckinbill (born November 21, 1934) is an American actor, playwright and director.  He has worked in television, film and theatre, doing triple duty in the latter by writing, directing and starring in stage productions.  He is probably best known for penning and starring in one-man shows based upon the lives of United States President Theodore Roosevelt, author Ernest Hemingway, and famous American defense attorney Clarence Darrow, starring in a one-man show based upon the life of United States President Lyndon Baines Johnson, and for his portrayal of Spock's half-brother Sybok in the film "".

Josephus Daniels: Josephus Daniels (May 18, 1862 – January 15, 1948) was a progressive Democrat, and newspaper editor and publisher from North Carolina who became active in politics.  He was appointed by United States President Woodrow Wilson to serve as Secretary of the Navy during World War I.  He became a close friend and supporter of Franklin D. Roosevelt, who served as his Assistant Secretary of the Navy and later was elected as United States president.  Roosevelt appointed Daniels as his Ambassador to Mexico, 1933-41.

Supporting paragraphs: Socks (cat) Buddy (dog)
Answer: U.S. President Bill Clinton