CREATE TABLE table_1453 ("Official #" FLOAT, "TF1 #" FLOAT, "French title" CLOB, "English title" CLOB, "Air date  ( France ) " CLOB, "Original Beechwood Bunny Tale / Source material" CLOB)

Name the most official number for tf1 # being 42
SELECT MAX("Official #") FROM table_1453 WHERE "TF1 #" = '42'
SELECT MAX("Official #") FROM "table_1453" WHERE "TF1 #" = '42'