How many more percent were Chinese than Europeans and Eurasians in 1901?
return Chinese in  1901 ;return Europeans in  1901 ;return Eurasians in  1901 ;return percent of #1 ;return percent of #2 ;return percent of #3 ;return sum of #5 and  #6 ;return the  difference of #4 and  #7
['select', 'select', 'select', 'project', 'project', 'project', 'arithmetic', 'arithmetic']