CREATE TABLE "2008_statistics_at_least_1_000_000_passe" (
  "country" text,
  "airport" text,
  "city" text,
  "2008" real,
  "change_08_07" text
);

Question: Which 2008 has a City of durban?
SQL: SELECT AVG("2008") FROM "2008_statistics_at_least_1_000_000_passe" WHERE "city"='durban';

Question: Which Country has a Change (08/07) of unknown, and a 2008 larger than 1,102,497, and a City of luanda?
SQL: SELECT "country" FROM "2008_statistics_at_least_1_000_000_passe" WHERE "change_08_07"='unknown' AND "2008">'1,102,497' AND "city"='luanda';

Question: Which 2008 has an Airport of hurghada international airport?
SQL: SELECT AVG("2008") FROM "2008_statistics_at_least_1_000_000_passe" WHERE "airport"='hurghada international airport';

Question: Which 2008 has an Airport of julius nyerere international airport?
SQL: SELECT AVG("2008") FROM "2008_statistics_at_least_1_000_000_passe" WHERE "airport"='julius nyerere international airport';