CREATE TABLE table_15900 ("Name" TEXT, "Direction" TEXT, "Mantra" TEXT, "Weapon" TEXT, "Consort" TEXT, "Graha  ( Planet ) " TEXT, "Guardian M\\u0101t\\u1e5bk\\u0101" TEXT)

Where the mantra is 'o ya v yuve nama ', what is the direction of the guardian?
SELECT "Direction" FROM table_15900 WHERE "Mantra" = 'Oṃ Yaṃ Vāyuve Namaḥ'
SELECT "Direction" FROM "table_15900" WHERE "Mantra" = 'Oṃ Yaṃ Vāyuve Namaḥ'