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_29 (position VARCHAR, notes VARCHAR, year VARCHAR)
### Question:
What position had notes of 20km and a year earlier than 2002?
### Answer:
SELECT position FROM table_name_29 WHERE notes = "20km" AND year < 2002