Extract the answer to the question from the following context. Question: Which is lower, the number of people listed as missing or number of earthquake relief workers who were killed in landslides? Context: According to Chinese state officials, the quake caused 69,180 known deaths including 68,636 in Sichuan province; 18,498 people are listed as missing, and 374,176 injured, but these figures may further increase as more reports come in.[dated info] This estimate includes 158 earthquake relief workers who were killed in landslides as they tried to repair roads.
Answer:
earthquake relief workers who were killed in landslides