Which type had an unknown manufacturer?
CREATE TABLE table_49271 (
    "Name" text,
    "Type" text,
    "Themed area" text,
    "Manufacturer" text,
    "Opened" text
)
SELECT "Type" FROM table_49271 WHERE "Manufacturer" = 'unknown'
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 type had an unknown manufacturer? ### Input: CREATE TABLE table_49271 (
    "Name" text,
    "Type" text,
    "Themed area" text,
    "Manufacturer" text,
    "Opened" text
) ### Response: SELECT "Type" FROM table_49271 WHERE "Manufacturer" = 'unknown'