claim: The Battle of the Trebia took place south of the Trebbia's confluence with the Po river.
evidence: Shien is a given / family name and may refer to  :. given. given name. family name. family name. Chen Shien -LRB- born 1985 -RRB- , professional Go player. Chen Shien. Chen Shien. Shien Biau Woo -LRB- born 1937 -RRB- , American professor and politician. Shien Biau Woo. Shien Biau Woo. Shu Shien-Siu -LRB- 1912 -- 2001 -RRB- , Chinese / Taiwanese mathematician , engineer , and educator. Shu Shien-Siu. Shu Shien-Siu. Wang Chien-shien -LRB- born 1938 -RRB- , founder of the Chinese New Party. Wang Chien-shien. Wang Chien-shien