question:
The University of Berlin founded in 1810 by linguist and philosopher Wilhelm von Humboldt served as an influential model for a number of modern western universities.
When was the University of Berlin founded?

answer: yes

question:
The tour included five shows in Argentina, one of which drew the largest single concert crowd in Argentine history with an audience of 300,000 in Buenos Aires and two concerts at the Morumbi Stadium in Sao Paulo, Brazil, where they played to an audience of more than 131,000 people in the first night (then the largest paying audience for a single band anywhere in the world) and more than 120,000 people the following night.
The Game Tour of the band Queen included how many shows in Argentina?

answer: yes

question:
The acquisition followed three weeks of intensive bargaining with the unions by company negotiators, John Collier and Bill O'Neill.
During the acquisition of The Times in 1981, John Collier and Bill O'Neill were part of what group that did three weeks of intensive bargaining?

answer: yes

question:
This work, also based in the testing of compounds available from the German dye industry, led to the development of Prontosil, the first representative of the sulfonamide class of antibiotics.
What was the name of the first sulfonamine antibiotic?

answer:
yes