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_42689 ( "Spoofed Title" text, "Writer" text, "Artist" text, "Issue" real, "Date" text )

### Question ###
Which issue was the Spoofed title Route 67 for which Mort Drucker was the artist?

### Accurate SQL ###

SELECT SUM("Issue") FROM table_42689 WHERE "Artist" = 'mort drucker' AND "Spoofed Title" = 'route 67'