This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

Iran has leading manufacturing industries in the fields of car-manufacture and transportation, construction materials, home appliances, food and agricultural goods, armaments, pharmaceuticals, information technology, power and petrochemicals in the Middle East. According to FAO, Iran has been a top five producer of the following agricultural products in the world in 2012: apricots, cherries, sour cherries, cucumbers and gherkins, dates, eggplants, figs, pistachios, quinces, walnuts, and watermelons.
What melon is Iran a Top 5 producer in the world in 2012?