What location entered service in 1999 and had a customer of Anadarko?
CREATE TABLE "ultra_deep_water" (
  "name" text,
  "type" text,
  "entered_service" text,
  "water_depth" text,
  "location" text,
  "customer" text
);
SELECT "location" FROM "ultra_deep_water" WHERE "entered_service"='1999' AND "customer"='anadarko';