Which 2008-12 has a 2007 of A, and a Tournament of us open?
CREATE TABLE table_33985 (
    "Tournament" text,
    "2006" text,
    "2007" text,
    "2008-12" text,
    "2013" text
)
SELECT "2008-12" FROM table_33985 WHERE "2007" = 'a' AND "Tournament" = 'us open'
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: Which 2008-12 has a 2007 of A, and a Tournament of us open? ### Input: CREATE TABLE table_33985 (
    "Tournament" text,
    "2006" text,
    "2007" text,
    "2008-12" text,
    "2013" text
) ### Response: SELECT "2008-12" FROM table_33985 WHERE "2007" = 'a' AND "Tournament" = 'us open'