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_97 (part_3 VARCHAR, class VARCHAR)
### Question:
Which part 3 has class 7b?
### Answer:
SELECT part_3 FROM table_name_97 WHERE class = "7b"