CREATE TABLE "supplemental_first_round_selections" (
  "pick" real,
  "player" text,
  "team" text,
  "position" text,
  "school" text
);

Question: What position does the player from the Arizona Diamondbacks play?
SQL: SELECT "position" FROM "supplemental_first_round_selections" WHERE "team"='arizona diamondbacks';

Question: What school did P Jay Gehrke of the Kansas City Royals attend?
SQL: SELECT "school" FROM "supplemental_first_round_selections" WHERE "position"='p' AND "team"='kansas city royals' AND "player"='jay gehrke';