To answer the question, consider the following: They were released on October 19, 2017, and serve as the second set of smartphones in the Google Pixel hardware line.is the reasoning for what question and answer pair?
Q: Pixel 2 and Pixel 2 XL are Android smartphones designed, developed and marketed by Google. They were announced during a Google event on October 4, 2017, as the successors to the Pixel and Pixel XL. They were released on October 19, 2017, and serve as the second set of smartphones in the Google Pixel hardware line.

Based on this passage, when did the pixel 2 xl come out?
A: October 19 , 2017