Addressing investor concerns: a Chinese financial question-answering benchmark with LLM-based evaluation. - Yujian Gan; Yiyi Tao; Jiawang Mo; Xianzheng Huang; Yiwen Li; Kexin Wang; Yi Cai; Lu Liang; Shuzhen Xiong; Qi Ke; Hua Zheng; Xiaochun Hu (EPJ Data Sci., 2026)