Question: which German 88 mm anti-aircraft and anti-tank artillery  was produced by  Spreewerk 
Sentence (from "8.8 cm Flak 18/36/37/41"): The 8.8 cm Flak 18/36/37/41 (commonly called the eighty-eight) was a German 88 mm anti-aircraft and anti-tank artillery gun from World War II.
Relevant evidence: Yes