CREATE TABLE table_42051 ("Outcome" CLOB, "Year" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What year was the match against filippo volandri where xavier malisse was runner-up?
SELECT "Year" FROM table_42051 WHERE "Outcome" = 'runner-up' AND "Opponent" = 'filippo volandri'
SELECT "Year" FROM "table_42051" WHERE "Opponent" = 'filippo volandri' AND "Outcome" = 'runner-up'