Assertion: km | /r/HasProperty | tributary of the danube
Facets:
Source sentences:
text: Tisza - *966 km (600 miles) (1,358 km (844 miles) before 1880) (partially - 605 km in the EU) (tributary of the Danube)
text: Drava - 710 km (440 miles) (tributary of the Danube)
text: Olt - 615 km (382 miles) (tributary of the Danube)
text: Iskar - 368 km (229 miles) (longest river entirely in Bulgaria) (tributary of the Danube)