Question: what are the democratic debate dates?
Answer: 2.1 First debates (June 26–27, 2019) 2.1.1 Qualification. ...  2.2 Second debates (July 30–31, 2019) 2.2.1 Qualification. ...  2.3 Third debate (September 12, 2019) 2.3.1 Qualification. ...  2.4 Fourth debate (October 15, 2019) 2.4.1 Qualification. ...  2.5 Fifth debate (November 20, 2019) ...  2.6 Sixth debate (December 19, 2019)