what is the position when the year [A} is after 2011 and the pick is 28?
CREATE TABLE "player_selections" (
  "year_a" real,
  "pick" text,
  "player_name" text,
  "position" text,
  "college" text
);
SELECT "position" FROM "player_selections" WHERE "year_a">2011 AND "pick"='28';