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_27573848_18 (general_classification VARCHAR, points_classification VARCHAR, stage VARCHAR)
### Question:
If the stage is smaller than 5.0, and the points classification is by Marco Marcato, who is the General classification by?
### Answer:
SELECT general_classification FROM table_27573848_18 WHERE points_classification = "Marco Marcato" AND stage < 5.0