What is the average weekly attendance at the church founded by the author of The Purpose Driven Life ?
Saddleback Church:  Weekly church attendance averages over 20,000 people, currently making it the fifth-largest church in the United States by attendance (this ranking includes multi-site churches). Rick Warren:  He is perhaps best known for the subsequent book "The Purpose Driven Life" which has sold more than 30 million copies, making Warren a "New York Times bestselling author.
over 20,000