[[+comments_count:gt=`0`:then=`[[+comments]]`:else=``]]
[[+comments_count]]
Try it with :gte
[[+comments_count:gte=`1`:then=`[[+comments]]`:else=``]]
"Comments(0)" must be coming from another tag. The one above wouldn't display the comment count.
[[+comments_count]]
0
[[+comments]]
Comments (0)
[[+comments_count:is=`0`]]
[[[[+comments:is=`Kommentare (0)`:then=``:else=``+comments]]]]