In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
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Question: Context: Greater success was earned with Dean Martin's recording of "Sway", which reached #6 on the UK Singles Chart, Link Information: Record charts in the UK began in 1952, when Percy Dickins of the New Musical Express (NME) gathered a pool of 52 stores willing to report sales figures. Answer: 1952

Answer: In what year was the singles chart in which "Sway" reached #6 first begun?


Question: Context: such as the Swiss band Hellhammer (later to become Celtic Frost) Link Information:  Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 Answer: 1984

Answer: In what year did Hellhammer become Celtic Frost?


Question: Context: The Los Angeles Rams are a professional American football team that plays and competes in the National Football League (NFL). Link Information: The National Football League (NFL) is a professional American football league consisting of 32 teams Answer: 32 

Answer:
How many sports teams compete  in the sports league that the Rams belong to?