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Challenge time


Good job! How about this one? Afterwards, we'll change tables.


For all groups taught in the La Lingua school, show the following information:

  • the ID of a given group,
  • the name of the lecturer who teaches that group,
  • the language that the group learns,
  • the level of the group, and
  • the days and hours when the group has lectures.

However, show this information only for those groups that have both their lectures at the same hour and whose tuition is greater than 800 dollars.