how many total world performance cars are there for 2007 ?
CREATE TABLE table_203_838 (
    id number,
    "year" number,
    "world car of the year" text,
    "world performance car" text,
    "world green car" text,
    "world car design of the year" text
)
SELECT "world performance car" FROM table_203_838 WHERE "year" = 2007
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: how many total world performance cars are there for 2007 ? ### Input: CREATE TABLE table_203_838 (
    id number,
    "year" number,
    "world car of the year" text,
    "world performance car" text,
    "world green car" text,
    "world car design of the year" text
) ### Response: SELECT "world performance car" FROM table_203_838 WHERE "year" = 2007