Delete row 821 from pager_paper_questions

id 821
question_id q_2990f5cd
assignment_id asgn_4479fc1b
type true_false
content_text 1.《为人民服务》是毛泽东为悼念张思德写的一篇记叙文。
score 1.0
difficulty 0.5
correct_answer
explanation
sort_order 0
assigned_page 2
page_order 9
image_idx 0
section jichu
options []
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-16 11:19:51
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