Delete row 1611 from pager_paper_questions

id 1611
question_id q_4554ef9e
assignment_id asgn_d9caae7f
type short_answer
content_text 1.解方程。（12分）
score 30.0
difficulty 0.5
correct_answer
explanation
sort_order 0
assigned_page 3
page_order 10
image_idx 0
section jichu
options []
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-17 07:02:55
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