CREATE TABLE "j" (
  "player" text,
  "nationality" text,
  "jersey_number_s" text,
  "position" text,
  "years" text,
  "from" text
);

Question: what position did the player play who had a number of 15 who played in 1987?
SQL: SELECT "position" FROM "j" WHERE "jersey_number_s"='15' AND "years"='1987';

Question: What years did the player from illinois play?
SQL: SELECT "years" FROM "j" WHERE "from"='illinois';