Which river flows through or forms the border of Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine?
which river flows through or forms the border of germany, austria, slovakia, hungary, croatia, serbia, romania, bulgaria, moldova and ukraine
FreebaseQA-train-1773.P0 FreebaseQA-train-1773.P1 FreebaseQA-train-1773.P2 FreebaseQA-train-1773.P3 FreebaseQA-train-1773.P4 FreebaseQA-train-1773.P5 FreebaseQA-train-1773.P6 FreebaseQA-train-1773.P7 FreebaseQA-train-1773.P8 FreebaseQA-train-1773.P9 FreebaseQA-train-1773.P10 FreebaseQA-train-1773.P11 FreebaseQA-train-1773.P12
austria bulgaria bulgaria croatia croatia germany germany hungary moldova moldova romania serbia serbia
austria bulgaria bulgaria croatia croatia germany germany hungary moldova moldova romania serbia serbia
m.0h7x m.015qh m.015qh m.01pj7 m.01pj7 m.0345h m.0345h m.03gj2 m.04w4s m.04w4s m.06c1y m.077qn m.077qn
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m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube
m.026zt
danube