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?
{'answer': '19 June 2010', 'supporting_facts': [['New South Wales state election, 2019', 0], ['New South Wales state election, 2019', 1], ['Luke Foley', 0], ['Luke Foley', 1]]}