CREATE TABLE table_204_780 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

in what competition did this competitor place the same as he did at the 1984 olympic games ?
SELECT "competition" FROM table_204_780 WHERE "year" <> 1984 AND "position" = (SELECT "position" FROM table_204_780 WHERE "year" = 1984)
SELECT "competition" FROM "table_204_780" WHERE "position" = (SELECT "position" FROM "table_204_780" WHERE "year" = 1984) AND "year" <> 1984