Question: How many universities are included with Zhejiang University in the official alliance which produces 20% of the nations academic publications and 30% of total citations in China?
Sentence (from "C9 League"): The members of the C9 League are Tsinghua University, Peking University, Zhejiang University, Nanjing University, Fudan University, Shanghai Jiao Tong University, Xi'an Jiaotong University, University of Science and Technology of China and Harbin Institute of Technology.
Relevant evidence: No