How many days after the Spanish Republican Air Force attacked off Ibiza did the Admiral Scheer Bombardment of Almería occur in retaliation?
return the  Spanish Republican Air Force attacked off Ibiza ;return the  Admiral Scheer Bombardment of Almería did occur in  retaliation ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  days
['select', 'select', 'project', 'project', 'arithmetic']