スレッドを立てるまでもない質問スレッド Part 345

490 ：名無しさん＠英語勉強中 ：2018/07/03(火) 21:13:48.86 ID:BYpY/dXX0.net

China’s biggest advantage in AI is data, of which, thanks to more than 770m internet users, it has more than any other country.
https://www.economist.com/news/special-report/21744956-perfect-example-hamiltonian-internet-maximum-control-china-has-worlds-most

which（が適切だとおもうのですが）ではなく、of which となるのはなぜでしょうか？