Title: Zinc.
Question: What are the two uses of zinc ore mentioned in the Rasaratna Samuccaya?

Title: Ottoman Empire.
Question: In a literal sense what was the Ottoman empire referred to as?

Title: Iran.
Question: How many commercial films were produced yearly on average by the end of the 1960s in Iran?

Title: Financial crisis of 2007%E2%80%9308.
Question:
What is the name of the commission who concluded the financial crisis was avoidable?