Delete row 1602 from pager_paper_questions

id 1602
question_id q_412d2ea3
assignment_id asgn_d9caae7f
type single_choice
content_text 1.在3÷a中，a（ )。
score 5.0
difficulty 0.5
correct_answer
explanation
sort_order 0
assigned_page 3
page_order 1
image_idx 0
section jichu
options ["A.小于3","B.不等于0","C.能整除3" ...
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-17 07:02:55
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