For Actors
* Was this person a [cast member, role] in this [movie, TV show]?
1) How would we generate potential claims of this type?
Get the Filmography [P1283] of the Actor. This can be used to suggest a movie / TV show. The query may looks like this: claim[1283:2263] - (filmography of Tom Hanks).
2) How difficult/expensive is that?
Pretty straightforward.
3) How interesting would it be for users to answer?
I don't think this type of question is interesting that much. The question stresses the role of the actor in a movie. A better (easier for the user) question maybe: "Was this person involved in some movie?".
For team sports players [baseball/football/basketball/cricket, etc.] players:
* What team?
1) How would we generate potential claims of this type?
Find the team in which the player plays:
P54 = member of the sports team
Q615 = Lionel Messi
Find the league in which the team plays:
P118 = league
Q7156 = FC Barcelona
Find all sports teams in the league:
Q324867 = La Liga
Q12973014 = sports team
2) Randomly pick a team from the list and construct a question.
How difficult/expensive is that?
Doesn't look difficult at all.
3) How interesting would it be for users to answer?
Very interesting especially for sports fans.
Thanks,
Baha