CREATE TABLE table_204_371 (id DECIMAL, "team" TEXT, "competition" TEXT, "category" TEXT, "appearances\ start" DECIMAL, "appearances\ sub" DECIMAL, "goals" DECIMAL, "team record" TEXT)

in which two competitions did japan lack goals ?
SELECT "competition" FROM table_204_371 WHERE "goals" = 0
SELECT "competition" FROM "table_204_371" WHERE "goals" = 0