CREATE TABLE table_26043 ("Direction" TEXT, "Number" FLOAT, "Trigram" TEXT, "24 Mountains" TEXT, "Bearing / Degrees" TEXT, "Nature" TEXT)

What is every trigram when direction is Northwest?
SELECT "Trigram" FROM table_26043 WHERE "Direction" = 'Northwest'
SELECT "Trigram" FROM "table_26043" WHERE "Direction" = 'Northwest'