Question: What is the birthdate of this Australian politician, who was a member of the New South Wales Legislative Council and currently the Opposition Leader in the New South Wales state election, 2019?

Context paragraphs:
New South Wales state election, 2019: The next New South Wales state election is scheduled to be held on Saturday 23 March 2019 to elect the 58th Parliament of New South Wales, including all 93 seats in the New South Wales Legislative Assembly and 21 of the 42 seats in the New South Wales Legislative Council.  The eight-year two-term incumbent Liberal/National Coalition government, currently led by Premier Gladys Berejiklian, will attempt to win a third four-year term and will be challenged by the Labor opposition, currently led by Opposition Leader Luke Foley.

Steve Whan: Steven James Robert "Steve" Whan ( ) (born 11 February 1964), an Australian politician, was a member of the New South Wales Legislative Council from 2011 to 2015.  Whan represented the electoral district of Monaro in the New South Wales Legislative Assembly for the Australian Labor Party from 2003 until his defeat at the 2011 state election.  Whan served as Minister of Emergency Services, Minister for Small Business and Minister for Rural Affairs in the Rees and Keneally ministries from 2009 to 2011.

Fred Nile: Frederick John "Fred" Nile ED MLC (born 15 September 1934) is an Australian politician and ordained Christian minister.  Nile has been a member of the New South Wales Legislative Council since 1981, except for a period in 2004 when he resigned to unsuccessfully contest the Australian Senate at the 2004 federal election.  Nile was re-elected at the March 2007 state election and is currently Assistant President of the Legislative Council.  He is the longest-serving member of the New South Wales parliament.  In November 2009 he stated his decision to retire in 2015, but later announced his decision to accept the Christian Democratic Party (CDP) nomination for the NSW Legislative Council at the New South Wales State Election on 28 March 2015.

Don Harwin: Donald Thomas "Don" Harwin (born 5 July 1964 in Sydney), an Australian politician, is the New South Wales Minister for Resources, the Minister for Energy and Utilities, the Minister for the Arts, and the Vice-President of the Executive Council since January 2017 in the Berejiklian government.  Harwin is a member of the New South Wales Legislative Council representing the Liberal Party of Australia since 27 March 1999; and served as the twentieth President of the New South Wales Legislative Council between May 2011 and January 2017.  Harwin has been the Leader of the Government in the Legislative Council since January 2017.

Marie Ficarra: Marie Ann Ficarra (born 25 March 1954) is an Australian politician who was a Liberal Party of Australia member of the New South Wales Legislative Council from 2007 to 2015.  She was previously a member of the New South Wales Legislative Assembly for Georges River, but was defeated during the landslide election of 1999.  She was the Shadow Minister for the Environment for the New South Wales Opposition.

Chris Minns: Christopher John Minns (born 17 September 1979) is an Australian politician who was elected to the New South Wales Legislative Assembly as the member for Kogarah for the Australian Labor Party at the 2015 New South Wales state election.  He is currently the opposition spokesman for Water and head of the opposition's waste watch committee.

Tim Owen: Timothy Francis "Tim" Owen {'1': ", '2': ", '3': ", '4': "} (born 29 October 1955) is a former Australian politician and a former deputy commander of the Australian Forces in Iraq and Afghanistan.  He was a member of the New South Wales Legislative Assembly representing the electoral district of Newcastle for the Liberal Party of Australia from the 2011 New South Wales state election until 6 August 2014 when he moved to the parliamentary crossbench and sat as an independent after the Independent Commission Against Corruption heard evidence that Owen may have breached electoral funding laws.  In May 2014, Owen had announced that he would not contest his seat at the next state election.  On 12 August 2014 Owen resigned from parliament triggering the 2014 Newcastle by-election.

Luke Foley: Luke Aquinas Foley (born 27 July 1970) is an Australian politician who serves as the Leader of the Opposition in the Parliament of New South Wales and as parliamentary leader of the New South Wales branch of the Australian Labor Party.  Foley was a member of the New South Wales Legislative Council since 19 June 2010 until his resignation to contest the Legislative Assembly seat of Auburn at the 2015 New South Wales election.

Peter Phelps (politician): Peter Robert Phelps (born 7 May 1968) is an Australian politician.  He has been a Liberal Party member of the New South Wales Legislative Council since March 2011.  He contested the New South Wales Legislative Assembly seat of Drummoyne in the 1999 New South Wales State election.

John Ajaka: John George Ajaka (born 13 January 1956), an Australian politician, is the President of the New South Wales Legislative Council.  Until 23 January 2017, he was New South Wales Minister for Ageing from April 2014, the Minister for Disability Services from August 2013, and the Minister for Multiculturalism fom April 2015 in the second Baird government.  Ajaka is a member of the New South Wales Legislative Council since 2007, representing the Liberal Party of Australia and he is the first Liberal Party Lebanese Australian member of an Australian parliament.  Ajaka has previously served as the Minister for the Illawarra during 2013 and 2015 in the O'Farrell and first Baird government.

Supporting paragraphs: New South Wales state election, 2019 Luke Foley
Answer: 27 July 1970