Conversation so far:
when is ice cubes 3 on 3 tournament
The Ice Cubes 3 on 3 tournament starts on February 21, 2020
Where is the venue for the Ice Cubes 3 on 3 tournament on February 21, 2020
The venue for the Ice Cubes 3 on 3 tournament on February 21, 2020 is in Mohigan Sun arena, Uncasville, CT.
How many teams usually play in the Ice Cubes 3 on 3 tournament
The Ice Cubes 3 on 3 league consists of twelve teams whose rosters include both former NBA players and international players.

Question: When was the league formed
Self-contained rewrite: When was the Ice Cube 3 on 3 league formed