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This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

Nasser's return to Egypt coincided with Husni al-Za'im's Syrian coup d'état. Its success and evident popular support among the Syrian people encouraged Nasser's revolutionary pursuits. Soon after his return, he was summoned and interrogated by Prime Minister Ibrahim Abdel Hadi regarding suspicions that he was forming a secret group of dissenting officers. According to secondhand reports, Nasser convincingly denied the allegations. Abdel Hadi was also hesitant to take drastic measures against the army, especially in front of its chief of staff, who was present during the interrogation, and subsequently released Nasser. The interrogation pushed Nasser to speed up his group's activities.
Output:
What people had a coup around the time Nasser returned to Egypt?