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_42 (diameter__km_ INTEGER, longitude VARCHAR, year_named VARCHAR)
### Question:
What's the diameter when longitude is 105.0e before 2003?
### Answer:
SELECT SUM(diameter__km_) FROM table_name_42 WHERE longitude = "105.0e" AND year_named < 2003