What is the highest number of fai space flights when max mach is 5.65?
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("fai_space_flights") FROM "table1_221315_3" WHERE "max_mach"='5.65';