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_27 (position VARCHAR, competition VARCHAR, year VARCHAR)
### Question:
Which Position has a Competition of world championships, and a Year larger than 1997?
### Answer:
SELECT position FROM table_name_27 WHERE competition = "world championships" AND year > 1997