trainings_availability_1:
  id: 1
  training_id: 2
  availability_id: 1
  created_at: 2016-04-04 15:24:01.522700000 Z
  updated_at: 2016-04-04 15:24:01.522700000 Z

trainings_availability_2:
  id: 2
  training_id: 1
  availability_id: 2
  created_at: 2016-04-04 15:24:09.172367000 Z
  updated_at: 2016-04-04 15:24:09.172367000 Z

trainings_availability_3:
  id: 3
  training_id: 4
  availability_id: 8
  created_at: 2016-04-04 15:26:49.574308000 Z
  updated_at: 2016-04-04 15:26:49.574308000 Z

trainings_availability_4:
  id: 4
  training_id: 3
  availability_id: 12
  created_at: 2020-07-22 10:09:41.841162000 Z
  updated_at: 2020-07-22 10:09:41.841162000 Z