total number of performers other than o.credle :
CREATE TABLE table_203_228 (
    id number,
    "#" number,
    "title" text,
    "songwriters" text,
    "producer(s)" text,
    "performer (s)" text
)
SELECT COUNT(DISTINCT "songwriters") FROM table_203_228 WHERE "songwriters" <> 'o. credle'
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: total number of performers other than o.credle : ### Input: CREATE TABLE table_203_228 (
    id number,
    "#" number,
    "title" text,
    "songwriters" text,
    "producer(s)" text,
    "performer (s)" text
) ### Response: SELECT COUNT(DISTINCT "songwriters") FROM table_203_228 WHERE "songwriters" <> 'o. credle'