CREATE TABLE table_52767 ("Name" TEXT, "Pennant" TEXT, "Builder" TEXT, "Laid Down" TEXT, "Launched" TEXT, "Commissioned" TEXT)

what is the pennant when the builder is yarrow, scotstoun?
SELECT "Pennant" FROM table_52767 WHERE "Builder" = 'yarrow, scotstoun'
SELECT "Pennant" FROM "table_52767" WHERE "Builder" = 'yarrow, scotstoun'