Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Member | Electorate | Province | MPs term | Election date |
| --- | --- | --- | --- | --- |
| 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! |
Question:
 what's the election date where electorate is christchurch country
Answer:
20 Cannot handle non-empty timestamp argument!, 20 Cannot handle non-empty timestamp argument!