Who was the partner that played a match on a grass court?
CREATE TABLE table_68336 (
    "Outcome" text,
    "Date" text,
    "Surface" text,
    "Partner" text,
    "Opponents" text,
    "Score" text
)
SELECT "Partner" FROM table_68336 WHERE "Surface" = 'grass'
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 the partner that played a match on a grass court? ### Input: CREATE TABLE table_68336 (
    "Outcome" text,
    "Date" text,
    "Surface" text,
    "Partner" text,
    "Opponents" text,
    "Score" text
) ### Response: SELECT "Partner" FROM table_68336 WHERE "Surface" = 'grass'