what is the {start time} for {Nancy Astor, Viscountess Astor} has {position held} as {Member of the 37th Parliament of the United Kingdom} ?
Tell me when Nancy Astor, Viscountess Astor, took the position of Member of the 37th Parliament of the United Kingdom.
When did Nancy Astor, Viscountess Astor, held the position of Member of the 37th Parliament of the United Kingdom?
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} 

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