CREATE TABLE "apollo_astronauts_who_flew_to_the_moon_w" (
  "name" text,
  "born" text,
  "age_on_mission" real,
  "mission" text,
  "mission_dates" text,
  "service" text
);

Question: What is the lowest age of an astronaut named Stu Roosa?
SQL: SELECT MIN("age_on_mission") FROM "apollo_astronauts_who_flew_to_the_moon_w" WHERE "name"='stu roosa';

Question: What mission did the astronaut who 38 years old on the mission and who served in NASA serve on?
SQL: SELECT "mission" FROM "apollo_astronauts_who_flew_to_the_moon_w" WHERE "service"='nasa' AND "age_on_mission"=38;