When (r ba) is the macedonian what is the proto-slavic?
CREATE TABLE table_26757_4 (
    proto_slavic VARCHAR,
    macedonian VARCHAR
)
SELECT proto_slavic FROM table_26757_4 WHERE macedonian = "риба (ríba)"
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: When (r ba) is the macedonian what is the proto-slavic? ### Input: CREATE TABLE table_26757_4 (
    proto_slavic VARCHAR,
    macedonian VARCHAR
) ### Response: SELECT proto_slavic FROM table_26757_4 WHERE macedonian = "риба (ríba)"