What is the Postion, when the Club/Team is Warroad Lakers, and when the Name is Roger Christian?
CREATE TABLE "list_of_united_states_national_ice_hocke" (
  "position" text,
  "jersey_num" real,
  "name" text,
  "birthdate" text,
  "birthplace" text,
  "club_team" text
);
SELECT "position" FROM "list_of_united_states_national_ice_hocke" WHERE "club_team"='warroad lakers' AND "name"='roger christian';