Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1007688_1 (typhus VARCHAR, smallpox VARCHAR)
### Question:
What are all the typhus number when smallpox is 4
### Answer:
SELECT typhus FROM table_1007688_1 WHERE smallpox = 4