CREATE TABLE table_202_7 (id NUMBER, "year" CLOB, "title" CLOB, "role" CLOB, "notes" CLOB)

in what year did jon stewart have the highest number of roles ?
SELECT "year" FROM table_202_7 GROUP BY "year" ORDER BY COUNT("role") DESC LIMIT 1
SELECT "year" FROM "table_202_7" GROUP BY "year" ORDER BY COUNT("role") DESC FETCH FIRST 1 ROWS ONLY