German phrase
In welcher Sprache soll ~ stattfinden?
Meaning
What language should ___ be held in
When to use it
It asks which language to use. Common in formal meetings and events.
Example dialogue
In welcher Sprache soll die Konferenz stattfinden?
What language should the conference be held in?
Die Konferenz sollte auf Englisch stattfinden.
The conference should be held in English.