What is the highest age (years) that the 1st place had a performance of 62.20m?
CREATE TABLE "new_zealand_track_field_championships" (
  "year" real,
  "place" text,
  "event" text,
  "performance" text,
  "age_years" real
);
SELECT MAX("age_years") FROM "new_zealand_track_field_championships" WHERE "place"='1st' AND "performance"='62.20m';