question: in 2018, which city of prague host the wsc?
table.cells: year host city host nation individual team
table.cells: gold silver bronze gold silver bronze
table.cells: 2020 shanghai china none none none none none none
table.cells: 2019 kirchheim germany none none none none none none
table.cells: 2018 prague czech republic japan kota morinishi france bastien vial-jaime estonia tiit vunk japan china germany
table.cells: 2017 bangalore india japan kota morinishi estonia tiit vunk china qiu yanzhe china japan france
table.cells: 2016 senec slovakia estonia tiit vunk czech republicjakub ondrousek japan kota morinishi czech republic china japan
table.cells: 2015 sofia bulgaria japan kota morinishi estonia tiit vunk czech republicjakub ondrousek japan china czech republic
table.cells: 2014 london united kingdom japan kota morinishi estonia tiit vunk france bastien vial-jaime czech republicjakub ondrousek(tied) japan germany china
table.cells: 2013 beijing china china jin ce japan kota morinishi czech republic jakub ondrousek china czech republic japan
table.cells: 2012 kraljevica croatia poland jan mrozowski japan kota morinishi japan hideaki jo japan czech republic china
table.cells: 2011 eger hungary united states thomas snyder japan kota morinishi estonia tiit vunk germany czech republic united states
table.cells: 2010 philadelphia united states poland jan mrozowski czech republic jakub ondrousek japan hideaki jo germany czech republic japan
table.cells: 2009 zilina slovakia poland jan mrozowski serbia branko ceranic czech republic robert babilon slovakia czech republic serbia
table.cells: 2008 goa india united states thomas snyder japan yuhei kusui czech republic jakub ondrousek czech republic japan germany
table.cells: 2007 prague czech republic united states thomas snyder japan yuhei kusui slovakia peter hudak japan united states czech republic
table.cells: 2006 lucca italy czech republic jana tylova united states thomas snyder united states wei-hwa huang none none none