Title: Hard rock.
Question: How many copies did Whitesnake's 1987 self title album sell?

Title: Marshall Islands.
Question: How many coconuts are required to produce 1 liter of coconut oil?

Title: Middle Ages.
Question: Who was made pope in 1417?

Title: Freemasonry.
Question:
Who did the Grand Masters call upon to explain that Freemasonry was not an unlawful society?