CREATE TABLE table_203_784 (id NUMBER, "no. in\ series" NUMBER, "no. in\ season" NUMBER, "performer" CLOB, "appearance" CLOB, "air date" CLOB)

which month had the most performers ?
SELECT "air date" FROM table_203_784 GROUP BY "air date" ORDER BY COUNT("performer") DESC LIMIT 1
SELECT "air date" FROM "table_203_784" GROUP BY "air date" ORDER BY COUNT("performer") DESC FETCH FIRST 1 ROWS ONLY