Simplify the following text for a Grade 7 native English-speaking person.
Original: The first production of Lohengrin was in Weimar , Germany on 28 August 1850 at the Staatskapelle Weimar under the direction of Franz Liszt , a close friend and early supporter of Wagner .
Simplified: It was first performed in Weimar , Germany on 28 August 1850 with Franz Liszt conducting .