Question: When did jeep start making 4 door wranglers?

context: No context provided
question: What date did jeep start making 4 door wranglers?
short_answers: August 2006
context: The third-generation Wrangler was released in 2006 for the 2007 model year. Developed under ownership of DaimlerChrysler, the JK was Jeep's first Wrangler that was a completely clean-sheet design of body, frame and suspension. New features for the Wrangler included power windows, remote power door locks, navigation, as well as electronically detachable sway-bars on some models. 
question: What model year did jeep start making 4 door wranglers?
short_answers: 2007

Answer: The Jeep Wrangler is a series of compact and mid-size either 2-door Wrangler, and a longer wheelbase / 4-door Wrangler Unlimited, four-wheel drive off-road SUVs, manufactured by Jeep since 1986, and currently in its fourth generation. Along with the traditional 2-door model, a 4-door "Unlimited" model was released, offering considerably more room, thanks to an over 20 inches longer wheelbase. Jeep started making the 4-door Wranglers in August 2006 for the 2007 model year.