CREATE TABLE table_203_239 (id NUMBER, "year" NUMBER, "title" CLOB, "chinese title" CLOB, "role" CLOB, "notes" CLOB)

which year did she work on the most films ?
SELECT "year" FROM table_203_239 GROUP BY "year" ORDER BY COUNT("title") DESC LIMIT 1
SELECT "year" FROM "table_203_239" GROUP BY "year" ORDER BY COUNT("title") DESC FETCH FIRST 1 ROWS ONLY