WHAT SERIES WAS RELEASED BY ITV STUDIOS AND A RELEASE DATE OF AUGUST 15, 2012?
CREATE TABLE table_48189 (
    "Release Title" text,
    "Series" text,
    "No. of DVDs" text,
    "No. of Blu-ray Discs" text,
    "Release Date" text,
    "Episode No." text,
    "Region No." real,
    "Released by" text
)
SELECT "Series" FROM table_48189 WHERE "Released by" = 'itv studios' AND "Release Date" = 'august 15, 2012'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: WHAT SERIES WAS RELEASED BY ITV STUDIOS AND A RELEASE DATE OF AUGUST 15, 2012? ### Input: CREATE TABLE table_48189 (
    "Release Title" text,
    "Series" text,
    "No. of DVDs" text,
    "No. of Blu-ray Discs" text,
    "Release Date" text,
    "Episode No." text,
    "Region No." real,
    "Released by" text
) ### Response: SELECT "Series" FROM table_48189 WHERE "Released by" = 'itv studios' AND "Release Date" = 'august 15, 2012'