What's the type for the brand herceptin with an approval date of before 2006?
CREATE TABLE table_45023 (
    "Antibody" text,
    "Brand name" text,
    "Approval date" real,
    "Type" text,
    "Target" text
)
SELECT "Type" FROM table_45023 WHERE "Approval date" < '2006' AND "Brand name" = 'herceptin'
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's the type for the brand herceptin with an approval date of before 2006? ### Input: CREATE TABLE table_45023 (
    "Antibody" text,
    "Brand name" text,
    "Approval date" real,
    "Type" text,
    "Target" text
) ### Response: SELECT "Type" FROM table_45023 WHERE "Approval date" < '2006' AND "Brand name" = 'herceptin'