CREATE TABLE table_204_742 (id DECIMAL, "release date" TEXT, "single title" TEXT, "uk singles chart\ position" DECIMAL, "french\ charts" DECIMAL, "german\ charts" DECIMAL, "irish\ charts" DECIMAL, "various" TEXT)

what single title -lrb- s -rrb- were on the irish charts and not on the uk singles chart ?
SELECT "single title" FROM table_204_742 WHERE NOT "irish\ncharts" IS NULL AND "uk singles chart\nposition" IS NULL
SELECT "single title" FROM "table_204_742" WHERE "uk singles chart\nposition" IS NULL AND NOT "irish\ncharts" IS NULL