CREATE TABLE table_66617 ("Title" CLOB, "Series" CLOB, "Director" CLOB, "Production Num." CLOB, "Release date" CLOB)

When was sniffles and the bookworm released?
SELECT "Release date" FROM table_66617 WHERE "Title" = 'sniffles and the bookworm'
SELECT "Release date" FROM "table_66617" WHERE "Title" = 'sniffles and the bookworm'