What was the surface for the opponent Marcos Baghdatis?
CREATE TABLE table_50980 (
    "Outcome" text,
    "Date" text,
    "Championship" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
)
SELECT "Surface" FROM table_50980 WHERE "Opponent" = 'marcos baghdatis'
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 was the surface for the opponent Marcos Baghdatis? ### Input: CREATE TABLE table_50980 (
    "Outcome" text,
    "Date" text,
    "Championship" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
) ### Response: SELECT "Surface" FROM table_50980 WHERE "Opponent" = 'marcos baghdatis'