Complex sentence: She played a ranch owner in the Western "Storm Over Wyoming" (1950), and one of her most noted films was one about a ranch owner, "Giant," in which she played the small role of Lona Lane.
Split into simpler sentences: She played a ranch owner in the western "Storm Over Wyoming" (1950). And one of her most noted films was one about a ranch owner, "Giant," in which she played the small role of Lona Lane.