CREATE TABLE table_24892 ("English short name  ( upper/lower case ) " TEXT, "Alpha-2 code" TEXT, "Alpha-3 code" TEXT, "Numeric code" FLOAT, "ISO 3166-2 codes" TEXT)

What is the Alpha 2 code for Papua New Guinea?
SELECT "Alpha-2 code" FROM table_24892 WHERE "English short name (upper/lower case)" = 'Papua New Guinea'
SELECT "Alpha-2 code" FROM "table_24892" WHERE "English short name (upper/lower case)" = 'Papua New Guinea'