What was the maximum altitude for Neil Armstrong?
CREATE TABLE "table1_221315_3" (
  "pilot" text,
  "organization" text,
  "total_flights" real,
  "usaf_space_flights" real,
  "fai_space_flights" real,
  "max_mach" text,
  "max_speed_mph" real,
  "max_altitude_miles" text
);
SELECT "max_altitude_miles" FROM "table1_221315_3" WHERE "pilot"='Neil Armstrong';