Question: The next New South Wales state election in which the Liberal/National Coalition government, currently led by Premier Gladys Berejiklian will be challenged by the Labor opposition, currently led by a member of the New South Wales Legislative Council since what date?
Sentence (from "Luke Foley"): 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.
Relevant evidence: Yes