CREATE TABLE table_7760 ("Province of Silla" TEXT, "Administrative district" TEXT, "Pre-1009 province" TEXT, "Post-1009 province" TEXT, "Modern equivalent" TEXT)

WHat kind of Province of Silla has a Modern equivalent of pyeongan?
SELECT "Province of Silla" FROM table_7760 WHERE "Modern equivalent" = 'pyeongan'
SELECT "Province of Silla" FROM "table_7760" WHERE "Modern equivalent" = 'pyeongan'