Conversation so far:
How did Emiliano Zapata die?
On April 10, 1919, Jesús Guajardo invited Zapata to a meeting. When Zapata arrived at the Hacienda de San Juan, in Chinameca, Ayala municipality, Guajardo's men riddled him with bullets.

Question: What was he doing at the Hacienda?
Self-contained rewrite: What was Emiliano Zapata doing at the Hacienda de San Juan?