user: ### NOW ANSWER:
Question: Which issue was the Spoofed title Route 67 for which Mort Drucker was the artist?
Columns: ['Spoofed Title', 'Writer', 'Artist', 'Issue', 'Date']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['777 Sunset Strip', 'Larry Siegel', 'Mort Drucker', 52.0, 'January 1960']
SQL:

assistant: SELECT SUM("Issue") FROM "Table" WHERE "Artist" = 'Mort Drucker' AND "Spoofed Title" = 'Route 67';