Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT SUM(diameter__km_) FROM table_name_42 WHERE longitude = "105.0e" AND year_named < 2003