[['1. FC Magdeburg', 'MANAGER', 'Jens Härtel'], ['Jens Härtel', 'CLUB', '1. FC Lokomotive Leipzig'], ['Jens Härtel', 'CLUB', 'Berliner AK 07']]
Jens Härtel's club is Berliner AK 07; the first club he played for was FC Lokomotive Leipzig and he has been the manager of 1 FC Magdeburg.