Who is the Opposing Pitcher when Team is phillies, Location is pittsburgh, and Inning is 8th?
CREATE TABLE "chief_wilson_s_36_triples" (
  "triple" real,
  "game" real,
  "date" text,
  "inning" text,
  "location" text,
  "opposing_pitcher" text,
  "team" text
);
SELECT "opposing_pitcher" FROM "chief_wilson_s_36_triples" WHERE "team"='phillies' AND "location"='pittsburgh' AND "inning"='8th';