Question: What major film studio did the German global banking and financial services company, Deutsche Bank, force the German film product and distribution company, National Film, to merge with? 
Sentence (from "National Film"): In the early 1920s it made an attempt to take over Erich Pommer's Decla Bioscop, but the projected merger failed and Decla instead joined with the major studio UFA.
Relevant evidence: No