Who was Bob Bryan's partner/s on a hard surface in 2003?
CREATE TABLE table_4183 (
    "Outcome" text,
    "Year" real,
    "Championship" text,
    "Surface" text,
    "Partner" text,
    "Opponents" text,
    "Score" text
)
SELECT "Partner" FROM table_4183 WHERE "Year" = '2003' AND "Surface" = 'Hard'
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: Who was Bob Bryan's partner/s on a hard surface in 2003? ### Input: CREATE TABLE table_4183 (
    "Outcome" text,
    "Year" real,
    "Championship" text,
    "Surface" text,
    "Partner" text,
    "Opponents" text,
    "Score" text
) ### Response: SELECT "Partner" FROM table_4183 WHERE "Year" = '2003' AND "Surface" = 'Hard'