Which Athlete has a Place of 1, and a Year smaller than 1988, and a Country of gre, and a Time of 21:57:00?
CREATE TABLE "all_time_top_50_performances" (
  "athlete" text,
  "time" text,
  "country" text,
  "year" real,
  "place" real
);
SELECT "athlete" FROM "all_time_top_50_performances" WHERE "place"=1 AND "year"<1988 AND "country"='gre' AND "time"='21:57:00';