Who was the lead supporting vocalist on the song that was 4:54 long?
CREATE TABLE "track_listing_cd" (
  "track" real,
  "song" text,
  "author" text,
  "worship_leader" text,
  "lead_supporting_vocal" text,
  "time" text
);
SELECT "lead_supporting_vocal" FROM "track_listing_cd" WHERE "time"='4:54';