Title: A cappella.
Question: How many days are counted between Passover and Shavuot?

Title: Catalan language.
Question: What do unstressed vowels reduce to in Western Catalan?

Title: 2008 Summer Olympics torch relay.
Question: What is the Chinese design used on the Olympic Torch?

Title: Iran.
Question:
Which ancient civilization in Iran during the 4th Millenium was the most prominent?