CREATE TABLE table_203_751 (id DECIMAL, "year" DECIMAL, "title" TEXT, "peak chart positions\ us\ air" DECIMAL, "peak chart positions\ us\ main" DECIMAL, "peak chart positions\ us\ mod" DECIMAL, "album" TEXT)

which album had the most chart reaching singles ?
SELECT "album" FROM table_203_751 GROUP BY "album" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "album" FROM "table_203_751" GROUP BY "album" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1