Table:
text: DDR-Liga
1971-1984
1971-1984
Season Staffel_A Staffel_B Staffel_C Staffel_D Staffel_E
1971-72 TSG Wismar Dynamo Berlin II Chemie Leipzig Motor Werdau Rot-Weiß Erfurt
1972-73 Vorwärts Stralsund Dynamo Berlin II * Vorwärts Leipzig Dynamo Dresden II * Chemie Zeitz
1973-74 Vorwärts Stralsund 1. FC Union Berlin Hallescher FC Chemie Chemie Böhlen Wismut Gera
1974-75 Dynamo Schwerin 1. FC Union Berlin Chemie Leipzig Energie Cottbus Wismut Gera
1975-76 Hansa Rostock 1. FC Union Berlin Hallescher FC Chemie II Motor Werdau FC Carl Zeiss Jena II
1976-77 Vorwärts Stralsund Stahl Hennigsdorf Chemie Leipzig Chemie Böhlen Wismut Gera
1977-78 Hansa Rostock Vorwärts Neubrandenburg Chemie Leipzig Lok Dresden Stahl Riesa

Question: Which squadron has a squadron E of Stahl Riesa in the GDR league?

Question: What is season B that Hallescher Fc Chemie has as season C in DDR league?