what was the number of games available on playstation portable ?
CREATE TABLE table_203_633 (
    id number,
    "title" text,
    "year" number,
    "platform" text,
    "developer" text,
    "publisher" text
)
SELECT COUNT("title") FROM table_203_633 WHERE "platform" = 'playstation portable'
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 was the number of games available on playstation portable ? ### Input: CREATE TABLE table_203_633 (
    id number,
    "title" text,
    "year" number,
    "platform" text,
    "developer" text,
    "publisher" text
) ### Response: SELECT COUNT("title") FROM table_203_633 WHERE "platform" = 'playstation portable'