How many years passed from when the Treaty of LImerick was signed to when the Protestant-dominated Irish Parliament refused to ratify the articles of the Treaty?
return the  Treaty  of LImerick was  signed ;return the  Protestant-dominated Irish Parliament refused to ratify the   articles of the    Treaty  ;return year of #1 ;return year of #2 ;return difference of #3 and  #4
['select', 'select', 'project', 'project', 'arithmetic']