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_71 (rank VARCHAR, year VARCHAR, bike VARCHAR)
### Question:
Which rank took place prior to 2000 when the bike was bsl?
### Answer:
SELECT rank FROM table_name_71 WHERE year < 2000 AND bike = "bsl"