Table: volcano_data
Columns: eruptions
country
location
year
volcanic_explosivity_index
fatalities

Question: Which Eruptions have a Location of pacific ring of fire, and a Volcanic Explosivity Index of 6, and a Country of peru?
SQL: SELECT "eruptions" FROM volcano_data WHERE "location" = 'pacific ring of fire' AND "volcanic_explosivity_index" = '6' AND "country" = 'peru'

Question: How many fatalities does Italy have?
SQL: SELECT "fatalities" FROM volcano_data WHERE "country" = 'italy'

Question: How many years have a Location of pacific ring of fire, and Eruptions of pinatubo?
SQL: SELECT SUM("year") FROM volcano_data WHERE "location" = 'pacific ring of fire' AND "eruptions" = 'pinatubo'