CREATE TABLE table_71931 ("Year" FLOAT, "Competition" TEXT, "Venue" TEXT, "Position" TEXT, "Event" TEXT)

What year did she compete in tampere, finland?
SELECT AVG("Year") FROM table_71931 WHERE "Venue" = 'tampere, finland'
SELECT AVG("Year") FROM "table_71931" WHERE "Venue" = 'tampere, finland'