Report request: I am a congressional staffer supporting a representative on the House Foreign Affairs committee. I have been tasked with compiling a list of countries that have obtained U.S. F-35 fighter jets.
Compile a report that enumerates all countries that have obtained the F-35 fighter jet from the United States, including when they were purchased and how much they cost.

Assessment questions and gold answers:
question_text: Which countries had obtained F-35 fighters by the end of 2019?
gold_answers: Israel
question_text: Which countries had obtained F-35 fighters by the end of 2019?
gold_answers: Japan
question_text: Which countries had obtained F-35 fighters by the end of 2019?
gold_answers: Denmark
question_text: Which countries had obtained F-35 fighters by the end of 2019?
gold_answers: South Korea
question_text: Which countries had obtained F-35 fighters by the end of 2019?
gold_answers: Italy
question_text: How many F-35s did Denmark buy from the United States by the end of 2019?
gold_answers: 27
question_text: How many F-35s that Denmark bought by the end of 2019 were in the United States?
gold_answers: At least 5
question_text: Why were some F-35s that were bought by Denmark still in the United States by the end of 2019?
gold_answers: to train Danish pilots
question_text: How many F-35s did Italy have by the end of 2019?
gold_answers: 10
question_text: How many F-35s was Italy supposed to take delivery of over the long term?
gold_answers: 90
question_text: How many F-35s did Israel have by the end of 2019?
gold_answers: 18
question_text: How many F-35s was Israel supposed to receive by the end of 2021?
gold_answers: 50
question_text: How many F-35s did South Korea have in 2020?
gold_answers: 24
question_text: How many F-35s was South Korea supposed to receive in total from the United States by 2021?
gold_answers: 40
question_text: What was the price of each F-35 jet purchased by South Korea in 2021?
gold_answers: $6 million
question_text: How much money did Japan spend on F-35 aircraft?
gold_answers: $90 million
question_text: How many F-35 fighters did Japan ground after an accident in April 2019?
gold_answers: 12