how many elections did william mckinley win ?
CREATE TABLE table_203_800 (
    id number,
    "#" number,
    "president" text,
    "president's party" text,
    "senate with" number,
    "senate opposed" number,
    "house with" number,
    "house opposed" number,
    "years served" number,
    "elections won" number
)
SELECT "elections won" FROM table_203_800 WHERE "president" = 'william mckinley'
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 elections did william mckinley win ? ### Input: CREATE TABLE table_203_800 (
    id number,
    "#" number,
    "president" text,
    "president's party" text,
    "senate with" number,
    "senate opposed" number,
    "house with" number,
    "house opposed" number,
    "years served" number,
    "elections won" number
) ### Response: SELECT "elections won" FROM table_203_800 WHERE "president" = 'william mckinley'