Who appointed the conservative from Ontario on June 18, 1993?
CREATE TABLE "senators_at_the_beginning_of_the_39th_pa" (
  "name" text,
  "party" text,
  "province_division" text,
  "date_appointed" text,
  "appointed_by" text,
  "left_office" text
);
SELECT "appointed_by" FROM "senators_at_the_beginning_of_the_39th_pa" WHERE "party"='conservative' AND "province_division"='ontario' AND "date_appointed"='june 18, 1993';