[Q]: The Pari Aike Formation is a Late Cretaceous geologic formation of Cenomanian (formerly believed to be Maastrichtian) age in southern Patagonia, Argentina. The giant titanosaur "Puertasaurus", the megaraptoran "Orkoraptor", and the ornithopod "Talenkauen" have been recovered from the formation alongside turtles and crocodiles. The Orkoraptor has 10 legs.
[A]: It's impossible to say

[Q]: Christopher Lawrence (born 24 December 1956) is a classical musician, author, and conductor. He is most notable for his work as a broadcaster on Australian Broadcasting Corporation radio station ABC Classic FM, and previously on ABC Radio National and ABC Local Radio. Christopher was born in 1960.
[A]: No

[Q]: An Evening With Groucho is the title of a 1972 recording at New York City's Carnegie Hall of the last one-man show by American comedian Groucho Marx. Introduced by Dick Cavett, the show was released as a double album by A&M Records. Marx shared family stories and performed songs from Marx Brothers movies. Marvin Hamlisch accompanied Groucho on the piano. An Evening With Groucho is the title of a 1972 recording at New York City's Carnegie Hall where Groucho talks about the last man in his family. He performs songs from Marx Brothers movies while Marvin Hamlisch accompanied Groucho on the piano.
[A]: Yes

[Q]: Hellgate (originally titled Shadows) is a 2011 American-Thai supernatural thriller directed and written by John Penney, starring William Hurt and Cary Elwes. Elwes plays the sole survivor of a car crash who, upon seeing ghosts, seeks help from a spiritual guru (Hurt). Hellgate was released in American before Thailand
[A]:
It's impossible to say