In what stage did Jaime Vergara won, Team Classification was given to EPM-Une and Mountain Classification winner was Oscar Solis?
CREATE TABLE "jersey_progression" (
  "stage" real,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "sprints_classification" text,
  "team_classification" text
);
SELECT "stage" FROM "jersey_progression" WHERE "team_classification"='EPM-UNE' AND "mountains_classification"='Oscar Solis' AND "winner"='Jaime Vergara';