Context: In 2002, Chinese geologist Chen Xuezhong published a Seismic Risk Analysis study in which he came to the conclusion that beginning with 2003, attention should be paid to the possibility of an earthquake with a magnitude of over 7.0 occurring in Sichuan region. He based his study on statistical correlation. That Sichuan is a seismically active area has been discussed for years prior to the quake, though few studies point to a specific date and time.

Question: When was a Seismic Risk Analysis published?
Answer: In 2002

Question: Who published the Seismic Risk Analysis?
Answer: Chen Xuezhong

Question: Who published a Seismic Risk Analysis Study?
Answer: Chen Xuezhong

Question: In what year did Chen Xuezhong publish an earthquake study?
Answer: 2002

Question: What strength did he predict the next quake in Sichuan to be?
Answer: over 7.0