Who was the First Baseman when the Shortstop was zoilo versalles?
CREATE TABLE "opening_day_starting_lineups" (
  "year" real,
  "catcher" text,
  "first_baseman" text,
  "second_baseman" text,
  "shortstop" text,
  "third_baseman" text,
  "rightfielder" text,
  "centerfielder" text,
  "leftfielder" text,
  "starting_pitcher" text
);
SELECT "first_baseman" FROM "opening_day_starting_lineups" WHERE "shortstop"='zoilo versalles';