Question: What was the name of the squadron commanded by the Vice Admiral who also had command of British naval forces responsible for the death of Leberecht Maass?
{'answer': '1st Battlecruiser Squadron', 'supporting_facts': [['Leberecht Maass', 0], ['Leberecht Maass', 1], ['David Beatty, 1st Earl Beatty', 0], ['David Beatty, 1st Earl Beatty', 1]]}