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_90 (laps INTEGER, pos VARCHAR, year VARCHAR)
### Question:
How many laps did the 6th placed in 1998 complete?
### Answer:
SELECT SUM(laps) FROM table_name_90 WHERE pos = "6th" AND year = 1998