CREATE TABLE "ev_as" (
  "start_date_time" text,
  "duration" text,
  "end_time" text,
  "spacecraft" text,
  "crew" text
);

Question: What spacecraft had an EVA that ended at 17:28?
SQL: SELECT "spacecraft" FROM "ev_as" WHERE "end_time"='17:28';

Question: What crew's EVA started on 20 February 20:09?
SQL: SELECT "crew" FROM "ev_as" WHERE "start_date_time"='20 february 20:09';

Question: The EVA that started on 8 July 12:38 went for how long?
SQL: SELECT "duration" FROM "ev_as" WHERE "start_date_time"='8 july 12:38';

Question: The EVA that started 8 July 12:38 was from what spacecraft?
SQL: SELECT "spacecraft" FROM "ev_as" WHERE "start_date_time"='8 july 12:38';