What's the lowest round with the opponent John Howard that had a method of Decision (unanimous)?
CREATE TABLE table_32222 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" real,
    "Time" text,
    "Location" text
)
SELECT MIN("Round") FROM table_32222 WHERE "Method" = 'decision (unanimous)' AND "Opponent" = 'john howard'
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's the lowest round with the opponent John Howard that had a method of Decision (unanimous)? ### Input: CREATE TABLE table_32222 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" real,
    "Time" text,
    "Location" text
) ### Response: SELECT MIN("Round") FROM table_32222 WHERE "Method" = 'decision (unanimous)' AND "Opponent" = 'john howard'