How many years after the implementation of Home Rule did Sinn Féin members meet at the Mansion House?
return implementation of Home Rule ;return Sinn Féin members meet at the  Mansion House ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  years
['select', 'select', 'project', 'project', 'arithmetic']