What is the language of method number 28 that can be found in the repository number 3?
language of method refers to Lang; method number refers to Method_100k.Id; Method_100k.Id = 28; repository number refers to RepoId; RepoID = 3;
SELECT T2.Lang FROM Solution AS T1 INNER JOIN Method AS T2 ON T1.Id = T2.SolutionId WHERE T2.Id = 28 AND T1.RepoId = 3