CREATE TABLE table_204_161 (id NUMBER, "name" CLOB, "1968 cf\ designator" CLOB, "place of\ manufacture" CLOB, "primary\ role ( s ) " CLOB, "service\ period" CLOB, "#\ used" NUMBER)

did the uk or the us manufacture the most canadian air forces planes ?
SELECT "place of\nmanufacture" FROM table_204_161 WHERE "place of\nmanufacture" IN ('uk', 'us') GROUP BY "place of\nmanufacture" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "place of\nmanufacture" FROM "table_204_161" WHERE "place of\nmanufacture" IN ('uk', 'us') GROUP BY "place of\nmanufacture" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY