Final answer:
The sentence with no capitalization errors is: Sidney Poitier's most famous films include Lilies of the Field, In the Heat of the Night, and Guess Who's Coming to Dinner.
Step-by-step explanation:
The correct sentence with no capitalization errors is:
Sidney Poitier's most famous films include Lilies of the Field, In the Heat of the Night, and Guess Who's Coming to Dinner.
In this sentence, the names of the films are correctly capitalized as proper nouns. Proper nouns, like names of people, places, or things, always start with a capital letter. The original sentence has correctly capitalized the first letters of each film title.
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