Title: Anti-aircraft warfare.
Question: What replaced the Browning 37nn because of jamming issues?

Title: Everton F.C..
Question: How many people signed a petition in protest of Everton FC's crest redesign in 2013?

Title: Financial crisis of 2007%E2%80%9308.
Question: When did the financial institution crisis hit its peak?

Title: Economy of Greece.
Question:
How much of Greece's economy is comprised of industrial sectors?