Question: The Belle Ayr mine is a coal mine located 18 miles southeast of Gillette, Wyoming currently owned and operated by Alpha Natural Resources, a large American producer of metallurgical coal for the industrial production of steel and iron and low-sulfur thermal coal to fuel steam boilers for the production of what type of power?
Sentence (from "Alpha Natural Resources"): Alpha Natural Resources is a large American producer of metallurgical coal ("met coal") for the industrial production of steel and iron and low-sulfur thermal coal ("steam coal") to fuel steam boilers for the production of electrical power.
Relevant evidence: Yes