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_name_70 (class VARCHAR, type VARCHAR, quantity VARCHAR)
### Question:
Which class has less than 3 in quantity with  a type of 4-6-0?
### Answer:
SELECT class FROM table_name_70 WHERE type = "4-6-0" AND quantity < 3