CREATE TABLE table_204_780 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

what venue was the first olympic games held in 1984 ?
SELECT "venue" FROM table_204_780 WHERE "competition" = 'olympic games' AND "year" = 1984
SELECT "venue" FROM "table_204_780" WHERE "competition" = 'olympic games' AND "year" = 1984