[Q]: Johnny Ma (born Ma Nan in Shanghai) is a Chinese-Canadian film director and screenwriter. He is best known for his debut feature film "Old Stone", which premiered at the Berlin International Film Festival in 2016. The film won the awards for Best Canadian First Feature Film at the 2016 Toronto International Film Festival, and Best First Feature at the 5th Canadian Screen Awards in 2017. Johnny Ma made a lot of money off of his film "old stone".
[A]: It's impossible to say

[Q]: Dahlia coccinea is a species in the genus Dahlia, family Asteraceae. Common name is "red dahlia" although the flowers can be orange or occasionally yellow as well as the more common red. The species is native to Mexico but has long been cultivated in other countries for its showy flowers. These flowers can be found in locations all around the world.
[A]: It's impossible to say

[Q]: The Mayor (, lit. "Special Citizen") is a 2017 South Korean political drama film written and directed by Park In-je. It stars Choi Min-sik, Kwak Do-won, Shim Eun-kyung, Moon So-ri, Ra Mi-ran, Ryu Hye-young and Ki Hong Lee. The film was released in South Korea on April 26, 2017 and in the US and Canada on April 28. The Mayor was released in the United States in 2016.
[A]: No

[Q]: Judy Tegart Dalton (nee Tegart; born 12 December 1937) is a retired professional tennis player from Australia who won nine Grand Slam doubles titles. She won at least one women's doubles title at each Grand Slam tournament, a "career Grand Slam". Five of her doubles titles were with Margaret Court. Tegart was the runner-up in 10 Grand Slam doubles tournaments. The Grand Slam is a tennis event.
[A]:
Yes