context: Southern California is also home to the Port of Los Angeles, the United States' busiest commercial port; the adjacent Port of Long Beach, the United States' second busiest container port; and the Port of San Diego.
question: యునైటెడ్ స్టేట్స్లో రెండవ రద్దీగా ఉండే కంటైనర్ పోర్ట్ ఏమిటి?
answers: Port of San Diego Port of Long Beach Port of Long Beach