instruction:
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.
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: Her performance was so well received by audiences that she was given her own sitcom, Family Matters, in 1989. Continuing her character Harriette Winslow from Perfect Strangers, she played a mother in an African-American middle-class family living in Chicago, Illinois. Payton left Family Matters partway through its final season, appearing for the last time on December 19, 1997. Link Information: Her performance was so well received by audiences that she was given her own sitcom, Family Matters, in 1989. Answer: Rosetta LeNoire
answer:
Who starred in Family Matters?


question:
Context: who sampled their "Imaginary Playmates" Link Information: Beyoncé revealed that she was pregnant with their first child Answer: 3
answer:

How many children does the person who sampled "Imaginary Playmates" have?