What is Detective Donald William Schneider's Cause of death?
CREATE TABLE table_9578 (
    "Name" text,
    "Rank" text,
    "Tenure" text,
    "Date of death" text,
    "Cause of death" text
)
SELECT "Cause of death" FROM table_9578 WHERE "Rank" = 'detective' AND "Name" = 'donald william schneider'
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 is Detective Donald William Schneider's Cause of death? ### Input: CREATE TABLE table_9578 (
    "Name" text,
    "Rank" text,
    "Tenure" text,
    "Date of death" text,
    "Cause of death" text
) ### Response: SELECT "Cause of death" FROM table_9578 WHERE "Rank" = 'detective' AND "Name" = 'donald william schneider'