[Table] header: Member | Electorate | Province | MPs term | Election date row 1 : John Cuff Category:Articles with  | Akaroa | Canterbury | First | 28 Cannot handle non-empty timest
row 2 : Logan Campbell Category:Articles with h | City of Auckland Category:Articles with  | Auckland | First | 27 Cannot handle non-empty timest
row 3 : Thomas Beckham Category:Articles with  | City of Auckland Category:Articles with  | Auckland | First | 27 Cannot handle non-empty timest
row 4 : William Daldy Category:Articles with | City of Auckland Category:Articles with  | Auckland | First | 27 Cannot handle non-empty timest
row 5 : Frederick Merriman Category:Articles with  | Auckland Suburbs | Auckland | Second | 27 Cannot handle non-empty timest
row 6 : Walter Brodie Category:Articles with  | Auckland Suburbs | Auckland | First | 27 Cannot handle non-empty timest
row 7 : Hugh Carleton Category:Articles with | Bay of Islands | Auckland | Second | 24 Cannot handle non-empty timest
row 8 : Dingley Brittin Category:Artic | Christchurch Country | Canterbury | First | 20 Cannot handle non-empty timest
row 9 : John Hall Category:Articles with h | Christchurch Country | Canterbury | First | 20 Cannot handle non-empty timest
row 10 : Henry Sewell Category:Articles with  | Town of Christchurch Category:Articles with  | Canterbury | Second | 18 Cannot handle non-empty timest
row 11 : John Cargill Category:Articles with | Dunedin Country | Otago | Second | 11 Cannot handle non-empty timest
row 12 : William Cargill Category:Articles with | Dunedin Country | Otago | First | 11 Cannot handle non-empty timest
row 13 : James Macandrew Category:Articles | Town of Dunedin Category:Articles | Otago | Second | 11 Cannot handle non-empty timest
row 14 : Charles Brown Category:Articles with h | Grey and Bell | New Plymouth | First | 8 Cannot handle non-empty timest
row 15 : Alfred Ludlam Category:Articles | Hutt | Wellington | Second | 16 Cannot handle non-empty timest
row 16 : Dillon Bell Category:Articles with  | Hutt | Wellington | First | 16 Cannot handle non-empty timest
row 17 : James FitzGerald Category:Art | Town of Lyttelton Category:Art | Canterbury | Second | 21 Cannot handle non-empty timest
row 18 : Charles Parker Category:Articles with h | Motueka and Massacre Bay | Nelson | First | 8 Cannot handle non-empty timest
row 19 : Alfred Domett Category:Articles with | Town of Nelson Category:Articles with  | Nelson | First | 12 Cannot handle non-empty timest
row 20 : Edward Stafford Category:Articles with h | Town of Nelson Category:Articles with  | Nelson | First | 12 Cannot handle non-empty timest
row 21 : William Richmond Category:Articles with h | Town of New Plymouth Category:Articles with | New Plymouth | First | 5 Cannot handle non-empty timest
row 22 : Thomas Henderson Category:Articles with h | Northern Division | Auckland | First | 27 Cannot handle non-empty timest
row 23 : Walter Lee Category:Articles with h | Northern Division | Auckland | Second | 27 Cannot handle non-empty timest
row 24 : Alfred East Category:Articles with h | Omata | New Plymouth | First | 10 Cannot handle non-empty timest
row 25 : John Williamson Category:Articles with  | Pensioner Settlements | Auckland | First | 27 Cannot handle non-empty timest
row 26 : Joseph Greenwood Category:Articles with  | Pensioner Settlements | Auckland | Second | 27 Cannot handle non-empty timest
row 27 : Charles Taylor Category:Articles with h | Southern Division | Auckland | Second | 26 Cannot handle non-empty timest
row 28 : Robert Graham Category:Articles with h | Southern Division | Auckland | First | 26 Cannot handle non-empty timest
row 29 : Charles Elliott Category:Articles with h | Waimea | Nelson | First | 19 Cannot handle non-empty timest
row 30 : William Travers Category:Articles with  | Waimea | Nelson | Second | 6 Cannot handle non-empty timest
row 31 : John Smith Category:Articles with h | Wairarapa and Hawke's | Wellington | First | 26 Cannot handle non-empty timest
row 32 : William Wells Category:Articles with  | Wairau | Nelson | First | 19 Cannot handle non-empty timest
row 33 : William Fox Category:Articles with h | Wanganui and Rangitikei | Wellington | First | 27 Cannot handle non-empty timest
row 34 : Charles Clifford Category:Articles with | City of Wellington Category:Articles with  | Wellington | Second | 13 Cannot handle non-empty timest
row 35 : Isaac Featherston Category:Articles | City of Wellington Category:Articles with  | Wellington | Second | 13 Cannot handle non-empty timest
row 36 : William Fitzherbert Category:Articles | City of Wellington Category:Articles with  | Wellington | First | 13 Cannot handle non-empty timest [/Table] Answer this question based on the above table:  what's the election date where electorate is christchurch country

Answer: 20 Cannot handle non-empty timest, 20 Cannot handle non-empty timest