Question: Lucheng, Shanxi and Hejian are county-level cities of which country?
Sentence (from "Taishanese people"): Sze Yap Cantonese (Chinese: 四邑廣東人; Sze Yap: Hlei Yip Gong Ong Ngin; Cantonese: Sei Yap Gwong Dong Yan; Mandarin: Sìyì guǎngdōng rén) are a Han Chinese group coming from a region in Guangdong Province in China called Sze Yap (四邑), which consisted of the four county-level cities of Taishan, Kaiping, Xinhui, and Enping.
Relevant evidence: No