Complex sentence: Scottish Hydro Electric National League Division Three is one of Scotland's national rugby union league divisions, and therefore part of the Scottish Hydro Electric League Championship-being the lowest division in the Scottish Hydro Electric National Leagues.
Split into simpler sentences: Scottish Hydro Electric National League Division Three is one of Scotland's national rugby union league divisions, and therefore part of the Scottish Hydro Electric League Championship. It is the lowest division in the Scottish Hydro Electric National Leagues.