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, stage VARCHAR)
### Question:
How many different people had a General Classification on Stage 5?
### Answer:
SELECT COUNT(general_classification) FROM table_27573848_18 WHERE stage = 5