CREATE TABLE table_204_323 (id NUMBER, "year" NUMBER, "film" CLOB, "function" CLOB, "notes" CLOB)

which year was there at least three movies ?
SELECT "year" FROM table_204_323 GROUP BY "year" HAVING COUNT("film") >= 3
SELECT "year" FROM "table_204_323" GROUP BY "year" HAVING COUNT("film") >= 3