CREATE TABLE table_31080 ("Year" FLOAT, "Number of tropical storms" FLOAT, "Number of hurricanes" FLOAT, "Number of major hurricanes" FLOAT, "Deaths" TEXT, "Strongest storm" TEXT)

How many years saw 3 hurricanes wherein the strongest storm was level three?
SELECT COUNT("Year") FROM table_31080 WHERE "Number of hurricanes" = '3' AND "Strongest storm" = 'Three'
SELECT COUNT("Year") FROM "table_31080" WHERE "Number of hurricanes" = '3' AND "Strongest storm" = 'Three'