what is the series sorted when the released is may 2012?
CREATE TABLE table_47445 (
    "Series Sorted" text,
    "Title" text,
    "Doctor" text,
    "Featuring" text,
    "Released" text
)
SELECT "Series Sorted" FROM table_47445 WHERE "Released" = 'may 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 is the series sorted when the released is may 2012? ### Input: CREATE TABLE table_47445 (
    "Series Sorted" text,
    "Title" text,
    "Doctor" text,
    "Featuring" text,
    "Released" text
) ### Response: SELECT "Series Sorted" FROM table_47445 WHERE "Released" = 'may 2012'