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.

Oklahoma is host to a diverse range of sectors including aviation, energy, transportation equipment, food processing, electronics, and telecommunications. Oklahoma is an important producer of natural gas, aircraft, and food. The state ranks third in the nation for production of natural gas, is the 27th-most agriculturally productive state, and also ranks 5th in production of wheat. Four Fortune 500 companies and six Fortune 1000 companies are headquartered in Oklahoma, and it has been rated one of the most business-friendly states in the nation, with the 7th-lowest tax burden in 2007.
How does Oklahoma rank among US states for producing natural gas?