Simplify the following text for a Grade 13 native English-speaking person.
Original: Cameron and Comfort participated in a televised debate with atheists Brian Sapient and Kelly O'Conner of the Rational Response Squad , at Calvary Baptist Church , in Manhattan , on May 5 , 2007 .
Simplified: Cameron and Comfort were a part in a debate on television with atheists Brian Sapient and Kelly O'Conner of the Rational Response Squad , at Calvary Baptist Church in Manhattan on May 5 , 2007 .