CREATE TABLE table_34963 ("Eruptions" CLOB, "Country" CLOB, "Location" CLOB, "Year" FLOAT, "Volcanic Explosivity Index" CLOB, "Fatalities" CLOB)

How many years have a Location of pacific ring of fire, and Eruptions of pinatubo?
SELECT SUM("Year") FROM table_34963 WHERE "Location" = 'pacific ring of fire' AND "Eruptions" = 'pinatubo'
SELECT SUM("Year") FROM "table_34963" WHERE "Eruptions" = 'pinatubo' AND "Location" = 'pacific ring of fire'