Question: What are the venues of 'The International', the annual esports world championship for the video game 'Dota 2'? Among these venues, in what year was the earliest one opened?
Categories: Video Games
Sports
History
Relevant Wikipedia pages:
title: The International (Dota 2)
title: Koelnmesse
title: Benaroya Hall
title: Climate Pledge Arena
title: Rogers Arena
title: Mercedes-Benz Arena (Shanghai)
title: Avicii Arena
title: Arena Națională
title: Suntec City
title: Singapore Indoor Stadium
title: Climate Pledge Arena