What is the yeast ortholog of mouse ortholog MMS19?
CREATE TABLE table_name_18 (
    yeast_ortholog VARCHAR,
    mouse_ortholog VARCHAR
)
SELECT yeast_ortholog FROM table_name_18 WHERE mouse_ortholog = "mms19"
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 is the yeast ortholog of mouse ortholog MMS19? ### Input: CREATE TABLE table_name_18 (
    yeast_ortholog VARCHAR,
    mouse_ortholog VARCHAR
) ### Response: SELECT yeast_ortholog FROM table_name_18 WHERE mouse_ortholog = "mms19"