CREATE TABLE table_204_395 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

in what year did ken harnden participate in more than one competition ?
SELECT "year" FROM table_204_395 GROUP BY "year" HAVING COUNT("competition") > 1
SELECT "year" FROM "table_204_395" GROUP BY "year" HAVING COUNT("competition") > 1