Question: Who studied law at the University of Melbourne and was married to Zara Bate?

full_context: Document 1: Jane Barton: Jane (Jeanie) Barton, Lady Barton (née Ross; born 11 June 1851 – 23 March 1938) was the wife of first Prime Minister of Australia, Sir Edmund Barton of the Protectionist Party. She was the eldest daughter of David Ross of Newcastle, New South Wales. In 1877, at the age of 26, she married Edmund Barton, who was then a New South Wales barrister. Two years later he won a seat in the New South Wales Legislative Assembly representing the now abolished electoral district of University of Sydney. From 1896, the Bartons' house Miandetta in Carabella Street, North Sydney was the site of 'open house' meetings on the subject of Federation. Some of the most frequent attendees of the meeting would become prominent in the formation of Australia, namely Robert Garran, Atlee Hunt and Thomas Bavin. One of the ways in which Lady Barton helped her husband with the cause of Federation was when she served as vice-president of the second Sydney Women's Federal League. Later in life, after her husband left the Australian Parliament in 1903, she served as the first president of the Queen's Club in Sydney and was a member of the first committee of the Crown Street Women's Hospital. After her husband's death in 1920, she moved to London, returning to Sydney in 1927. In May 1935, she made possibly her last appearance in public at a service in Centennial Park to celebrate the silver jubilee of King George V. In March 1938, Lady Barton died aged 86 years at the home she and her husband moved into in 1909 called Avenel in Mona Road, the Darling Point, Sydney. She had six children by her husband:
Document 2: C. Z. Guest: Lucy Douglas "C. Z." Guest ("née" Cochrane; February 19, 1920 - November 8, 2003) was an American stage actress, author, columnist, horsewoman, fashion designer, and socialite who achieved a degree of fame as a fashion icon. She was frequently seen wearing elegant designs by famous designers like Mainbocher. Her unfussy, clean-cut style was seen as typically American, and she was named to the International Best Dressed List Hall of Fame in 1959.
Document 3: Zaha Hadid: Dame Zaha Mohammad Hadid (Arabic: زها حديد‎ ‎ "Zahā Ḥadīd"; 31 October 1950 – 31 March 2016) was an Iraqi-British architect.
Document 4: Holt, Australian Capital Territory: Holt (postcode: 2615) is a suburb in the Belconnen district of Canberra, located within the Australian Capital Territory, Australia. It was gazetted on 2 July 1970 and was named after Harold Holt, Prime Minister of Australia 1966-67. Streets are named after sportsmen and sportswomen.
Document 5: Harold Macmillan: Maurice Harold Macmillan, 1st Earl of Stockton, {'1': ", '2': ", '3': ", '4': "} (10 February 1894 – 29 December 1986) was a British statesman of the Conservative Party who served as Prime Minister of the United Kingdom from 1957 to 1963. Nicknamed "Supermac", he was known for his pragmatism, wit and unflappability.
Document 6: Holt by-election, 1999: The 1999 Holt by-election was held in the Australian electorate of Holt in Victoria on 6 November 1999. The by-election was triggered by the resignation of the sitting member, former Australian Labor Party deputy leader Gareth Evans on 30 September 1999. The writ for the by-election was issued on 1 October 1999.
Document 7: Ann Lowe: Ann Cole Lowe (1898 – February 25, 1981) was an American fashion designer and the first African American to become a noted fashion designer. Lowe's one-of-a-kind designs were a favorite among high society matrons from the 1920s to the 1960s. In 1953, she designed the ivory silk taffeta wedding dress worn by Jacqueline Bouvier when she married Senator John F. Kennedy.
Document 8: Tony Abbott: Anthony John Abbott (born 4 November 1957) is an Australian politician who was the 28th Prime Minister of Australia, from 18 September 2013 to 15 September 2015. Abbott was leader of the Liberal Party of Australia from 2009 to 2015, and has been a member of parliament for Warringah since 1994.
Document 9: Arnold Scaasi: Arnold Isaacs (May 8, 1930 – August 3, 2015), known as Arnold Scaasi, was a Canadian fashion designer who has created gowns for First Ladies Mamie Eisenhower, Barbara Bush, Hillary Clinton, and Laura Bush, in addition to such notable personalities as Joan Crawford, Ivana Trump, Princess Yasmin Aga Khan, Lauren Bacall, Diahann Carroll, Elizabeth Taylor, Catherine Deneuve, Brooke Astor, Arlene Francis, and Mary Tyler Moore.
Document 10: Zara Bate: Dame Zara Kate Bate {'1': ", '2': ", '3': ", '4': "} (née Dickins , previously Fell and Holt; 10 March 190914 June 1989) was an Australian fashion designer and socialite who was best known as the wife of Harold Holt, the 17th Prime Minister of Australia. She grew up in Melbourne, attending Ruyton Girls' School and Toorak College. Going into the dressmaking business, she opened a shop in 1930 and eventually expanded into a chain of boutiques. Zara's first marriage to James Fell was short-lived, although they had three children together. She remarried to Harold Holt – a Liberal Party politician – in 1946, although they had known each other for many years previously. She became the prime minister's wife in 1966, and was known for her energy and flamboyance. She was widowed in December 1967, when her husband disappeared while swimming at Cheviot Beach, Victoria. Zara published her autobiography in 1968, and the following year remarried to Jeff Bate, another politician. She was widowed for a second time in 1984, and subsequently retired to the Gold Coast.
Document 11: Pamela Harriman: Pamela Beryl Harriman ("née" Digby; 20 March 1920 – 5 February 1997), also known as Pamela Churchill Harriman, was an English-born American socialite who was married and linked to important and powerful men. In later life, she became a political activist for the Democratic Party and a diplomat. She was married three times, her first husband being Randolph Churchill, the son of prime minister Winston Churchill. Her only child, Winston Churchill, was named after his famous grandfather.
Document 12: Holt Government: The Holt Government refers to the federal Executive Government of Australia led by Prime Minister Harold Holt. It was made up of members of a Liberal Party of Australia-Country Party of Australia coalition in the Australian Parliament from 26 January 1966 – 19 December 1967.
Document 13: Robert Menzies: Sir Robert Gordon Menzies, {'1': ", '2': ", '3': ", '4': "} (20 December 189415 May 1978), was the Prime Minister of Australia from 1939 to 1941 and again from 1949 to 1966. He is Australia's longest-serving prime minister, serving over 18 years in total.
Document 14: Harold Holt: Harold Edward Holt, {'1': ", '2': ", '3': ", '4': "} ( ; 5 August 190817 December 1967), was an Australian politician and the 17th Prime Minister of Australia from 1966 to 1967. He was born in Stanmore, New South Wales and won a scholarship to study law at the University of Melbourne. Holt went into business as a solicitor, during which time he joined the United Australia Party (UAP). In 1935, aged just 27, he was elected to parliament for Fawkner. He held this seat until 1949, when he transferred to Higgins. Holt spent 32 years in Parliament, including many years as a senior Cabinet Minister, but was Prime Minister for only 22 months before he disappeared in December 1967 while swimming at Cheviot Beach near Portsea, Victoria and was presumed drowned.
Document 15: USS Harold E. Holt (FF-1074): USS "Harold E. Holt" (FF-1074) was a "Knox"-class frigate of the United States Navy. She was named for Harold Holt, the Prime Minister of Australia, who had disappeared while swimming in 1967.
ground_truth: Harold Holt