user: Extract the dates of change of ownership and who the new owner was

assistant: 2009 - Synterra Group of Companies
2010 - Megafon
October 22, 2020 - PJSC Rostelecom

user: What professional tournaments did Liang win during his career?

assistant: In July 2009, Liang won his first professional title, the Beijing International Challenge.  Liang also won the 2016 English Open.

user: In which cities was the AFL Grand Final played during COVID-19 ?

assistant: The AFL Grand Final was played in Brisbane in 2020 and Perth in 2021 due to the COVID-19 pandemic. Usually the AFL Grand Final is played in Melbourne, Victoria.