What is the country of player chi-chi rodríguez, who has an e to par?
CREATE TABLE "first_round" (
  "place" text,
  "player" text,
  "country" text,
  "score" real,
  "to_par" text
);
SELECT "country" FROM "first_round" WHERE "to_par"='e' AND "player"='chi-chi rodríguez';