How many in percent from cantons population in 2002 were Bosniak and Croat?
return canton ;return population of #1 ;return #2 in  2002 ;return #3 that were Bosniak ;return #3 that were Croat ;return percent of #4 ;return percent of #5 ;return sum of #6 and  #7
['select', 'project', 'filter', 'filter', 'filter', 'project', 'project', 'arithmetic']