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Exercise 7.34 – Overview

After completion of this exercise you will be able to make these queries: 
   (when was fish called wanda made)
   1988

   (when was day of jackal made)
   1973
This requires the pattern/action pair made by: 
	(make-pattern/action  ; new for exercise 7.34
	 '(when was ... made)
	 when-made-action)
You will need to modify matches? and substitutions-in-to-match to recognize this pattern, and you will need to write the action procedure when-made-action.
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