Motocross des Nations

Columns: Year | Location | Winning team | Winning riders
2020 | Ernée | 2019 | Assen | Netherlands | Jeffrey Herlings / Calvin Vlaanderen / Glenn Coldenhoff | 2018 | Red Bud | France | Gautier Paulin / Dylan Ferrandis / Jordi Tixier | 2017 | Matterley Basin | France | Gautier Paulin / Christophe Charlier / Romain Febvre | 2016 | Maggiora | France | Gautier Paulin / Benoît Paturel / Romain Febvre | 2015 | Ernée | France | Gautier Paulin / Marvin Musquin / Romain Febvre | 2014 | Ķegums | France | Gautier Paulin / Dylan Ferrandis / Steven Frossard

Example questions:
What event is held every Fourth of July at the same track of the 2018 Motocross des Nations ? | When was the track built that was used for the 2019 Motocross des Nations | When was the winner of the 2014 Motocross des Nations born ? | The town that held the 2014 Motocross des Nations is near what river ?

Answers:
Lucas Oil Pro Motocross Championships | 1955 | 26 March 1990 | Daugava River