CREATE TABLE table_66389 ("Title" TEXT, "Series" TEXT, "Director" TEXT, "Production Num." TEXT, "Release date" TEXT)

What title has lt as the series, ben hardaway as the director, with 6612 as the production num.?
SELECT "Title" FROM table_66389 WHERE "Series" = 'lt' AND "Director" = 'ben hardaway' AND "Production Num." = '6612'
SELECT "Title" FROM "table_66389" WHERE "Director" = 'ben hardaway' AND "Production Num." = '6612' AND "Series" = 'lt'