What Distance had a Race Leader in Km (mi)?
CREATE TABLE table_68188 (
    "Date" text,
    "Course" text,
    "Distance" text,
    "Winner" text,
    "Race Leader" text
)
SELECT "Distance" FROM table_68188 WHERE "Race Leader" = 'km (mi)'
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 Distance had a Race Leader in Km (mi)? ### Input: CREATE TABLE table_68188 (
    "Date" text,
    "Course" text,
    "Distance" text,
    "Winner" text,
    "Race Leader" text
) ### Response: SELECT "Distance" FROM table_68188 WHERE "Race Leader" = 'km (mi)'