Delete row 777 from pager_paper_questions

id 777
question_id q_b796d7bc
assignment_id asgn_1a2dfb31
type single_choice
content_text 2.战士们固守阵地。( )
score 1.0
difficulty 0.5
correct_answer
explanation
sort_order 1
assigned_page 0
page_order 1
image_idx 0
section jichu
options ["A.结实牢固","B.坚硬","C.坚决地，坚定地 ...
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-16 10:28:19
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