Question: how long do nhl players stay on waivers
[{'answer': '24 hours', 'provenance': [{'wikipedia_id': '27892028', 'title': 'Waivers (NHL)', 'start_paragraph_id': 4, 'start_character': 187, 'end_paragraph_id': 4, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Minor league assignment procedure.\n'}]}, {'provenance': [{'wikipedia_id': '27892028', 'title': 'Waivers (NHL)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8763168497287821965}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27892028', 'title': 'Waivers (NHL)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 899, 'bleu_score': 0.987987443031558, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8763168497287821965}, 'section': 'Section::::Minor league assignment procedure.\n'}]}, {'provenance': [{'wikipedia_id': '27892028', 'title': 'Waivers (NHL)', 'section': 'Section::::Minor league assignment procedure.\n', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ['The claims process starts at noon Eastern Time and ends 24 hours later', 'After a player has been designated for assignment, the other 30 NHL teams can put in a claim or waive their claim for that player. The claims process starts at noon Eastern Time and ends 24 hours later.']}}]}]