You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did the first touch screen ipod come out?" whose answer is July 19, 2004.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the first touch screen ipod come out
Useful Output:

Doc 1: In 2007, Apple also released the iPod Touch, the first iPod product with a touch screen interface similar to the iPhone. Besides playing music, users can
Doc 2: The original iPod Touch model debuted in September of 2007 and yes, it looked, felt and worked very much like the iPhone. For the first time you
Doc 3: The iPod Touch was introduced in September 2007, and around 100 million units were sold by May 2013. The final iPod Touch model, released on May 28, 2019, is
Doc 4: Apple introduced the first iPod on October 23, 2001. It was a bold move during a time when Apple was best known for computers, not consumer
Doc 5: On October 23, 2001, Steve Jobs announced that Apple was venturing into the field of music and unveiled the very first iPod in a small room.