what's the election date where electorate is christchurch country
{'header': ['Member', 'Electorate', 'Province', 'MPs term', 'Election date'], 'page_title': 'New Zealand general election, 1855', 'section_title': 'Results', 'caption': 'Results', 'rows': [['John Cuff Category:Articles with hCards', 'Akaroa', 'Canterbury', 'First', '28 Cannot handle non-empty timestamp argument!'], ['Logan Campbell Category:Articles with hCards', 'City of Auckland Category:Articles with hCards', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Thomas Beckham Category:Articles with hCards', 'City of Auckland Category:Articles with hCards', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['William Daldy Category:Articles with hCards', 'City of Auckland Category:Articles with hCards', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Frederick Merriman Category:Articles with hCards', 'Auckland Suburbs', 'Auckland', 'Second', '27 Cannot handle non-empty timestamp argument!'], ['Walter Brodie Category:Articles with hCards', 'Auckland Suburbs', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Hugh Carleton Category:Articles with hCards', 'Bay of Islands', 'Auckland', 'Second', '24 Cannot handle non-empty timestamp argument!'], ['Dingley Brittin Category:Articles with hCards', 'Christchurch Country', 'Canterbury', 'First', '20 Cannot handle non-empty timestamp argument!'], ['John Hall Category:Articles with hCards', 'Christchurch Country', 'Canterbury', 'First', '20 Cannot handle non-empty timestamp argument!'], ['Henry Sewell Category:Articles with hCards', 'Town of Christchurch Category:Articles with hCards', 'Canterbury', 'Second', '18 Cannot handle non-empty timestamp argument!'], ['John Cargill Category:Articles with hCards', 'Dunedin Country', 'Otago', 'Second', '11 Cannot handle non-empty timestamp argument!'], ['William Cargill Category:Articles with hCards', 'Dunedin Country', 'Otago', 'First', '11 Cannot handle non-empty timestamp argument!'], ['James Macandrew Category:Articles with hCards', 'Town of Dunedin Category:Articles with hCards', 'Otago', 'Second', '11 Cannot handle non-empty timestamp argument!'], ['Charles Brown Category:Articles with hCards', 'Grey and Bell', 'New Plymouth', 'First', '8 Cannot handle non-empty timestamp argument!'], ['Alfred Ludlam Category:Articles with hCards', 'Hutt', 'Wellington', 'Second', '16 Cannot handle non-empty timestamp argument!'], ['Dillon Bell Category:Articles with hCards', 'Hutt', 'Wellington', 'First', '16 Cannot handle non-empty timestamp argument!'], ['James FitzGerald Category:Articles with hCards', 'Town of Lyttelton Category:Articles with hCards', 'Canterbury', 'Second', '21 Cannot handle non-empty timestamp argument!'], ['Charles Parker Category:Articles with hCards', 'Motueka and Massacre Bay', 'Nelson', 'First', '8 Cannot handle non-empty timestamp argument!'], ['Alfred Domett Category:Articles with hCards', 'Town of Nelson Category:Articles with hCards', 'Nelson', 'First', '12 Cannot handle non-empty timestamp argument!'], ['Edward Stafford Category:Articles with hCards', 'Town of Nelson Category:Articles with hCards', 'Nelson', 'First', '12 Cannot handle non-empty timestamp argument!'], ['William Richmond Category:Articles with hCards', 'Town of New Plymouth Category:Articles with hCards', 'New Plymouth', 'First', '5 Cannot handle non-empty timestamp argument!'], ['Thomas Henderson Category:Articles with hCards', 'Northern Division', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Walter Lee Category:Articles with hCards', 'Northern Division', 'Auckland', 'Second', '27 Cannot handle non-empty timestamp argument!'], ['Alfred East Category:Articles with hCards', 'Omata', 'New Plymouth', 'First', '10 Cannot handle non-empty timestamp argument!'], ['John Williamson Category:Articles with hCards', 'Pensioner Settlements', 'Auckland', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Joseph Greenwood Category:Articles with hCards', 'Pensioner Settlements', 'Auckland', 'Second', '27 Cannot handle non-empty timestamp argument!'], ['Charles Taylor Category:Articles with hCards', 'Southern Division', 'Auckland', 'Second', '26 Cannot handle non-empty timestamp argument!'], ['Robert Graham Category:Articles with hCards', 'Southern Division', 'Auckland', 'First', '26 Cannot handle non-empty timestamp argument!'], ['Charles Elliott Category:Articles with hCards', 'Waimea', 'Nelson', 'First', '19 Cannot handle non-empty timestamp argument!'], ['William Travers Category:Articles with hCards', 'Waimea', 'Nelson', 'Second', '6 Cannot handle non-empty timestamp argument!'], ['John Smith Category:Articles with hCards', "Wairarapa and Hawke's Bay", 'Wellington', 'First', '26 Cannot handle non-empty timestamp argument!'], ['William Wells Category:Articles with hCards', 'Wairau', 'Nelson', 'First', '19 Cannot handle non-empty timestamp argument!'], ['William Fox Category:Articles with hCards', 'Wanganui and Rangitikei', 'Wellington', 'First', '27 Cannot handle non-empty timestamp argument!'], ['Charles Clifford Category:Articles with hCards', 'City of Wellington Category:Articles with hCards', 'Wellington', 'Second', '13 Cannot handle non-empty timestamp argument!'], ['Isaac Featherston Category:Articles with hCards', 'City of Wellington Category:Articles with hCards', 'Wellington', 'Second', '13 Cannot handle non-empty timestamp argument!'], ['William Fitzherbert Category:Articles with hCards', 'City of Wellington Category:Articles with hCards', 'Wellington', 'First', '13 Cannot handle non-empty timestamp argument!']]}