CREATE TABLE "international_goals" (
  "date" text,
  "venue" text,
  "score" text,
  "result" text,
  "competition" text
);

Question: On what date is the venue Sam Nujoma Stadium, Windhoek, Namibia?
SQL: SELECT "date" FROM "international_goals" WHERE "venue"='sam nujoma stadium, windhoek, namibia';