Translation of "Which was first" in German

I am going to ask Parliament's services to check which vote was taken first.
Ich werden die Dienste beauftragen zu prüfen, welches die erste Abstimmung war.
Europarl v8
Based on the performance of the play, Veiel created a documentary film which was first shown at the Berlinale 2006.
Veiels eigener Dokumentarfilm über den Stoff wurde bei der Berlinale 2006 uraufgeführt.
Wikipedia v1.0
Which one was first base?
Welche war noch gleich die erste Base?
OpenSubtitles v2018
Octopine gets its name from Octopus octopodia from which it was first isolated in 1927.
Es verdankt seinen Namen Octopus octopodia, aus dem es 1927 gewonnen wurde.
WikiMatrix v1

Related phrases

first come first served basis first come first First first in first out
being the first first comes first serves have first first come first serve
first come first serve basis first things first