Question: In which country are Tongjiang, Heilongjiang and Gao'an located?
Sentence (from "Yilan Town, Heilongjiang"): Yilan () is a town in and the seat of Yilan County in south-central Heilongjiang province, China, located where the Woken (倭肯河) and Mudan Rivers flow separately into the Songhua River.
Relevant evidence: No