Question: when do you burn cards in texas holdem
[{'answer': 'before the flop', 'provenance': [{'wikipedia_id': '3412', 'title': 'Burn card', 'start_paragraph_id': 4, 'start_character': 171, 'end_paragraph_id': 4, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'before the turn', 'provenance': [{'wikipedia_id': '3412', 'title': 'Burn card', 'start_paragraph_id': 4, 'start_character': 188, 'end_paragraph_id': 4, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'before the river', 'provenance': [{'wikipedia_id': '3412', 'title': 'Burn card', 'start_paragraph_id': 4, 'start_character': 209, 'end_paragraph_id': 4, 'end_character': 225, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]