Given a scientific passage and an answer, generate a question for the given answer.

Example Input: Passage: In eukaryotic cells, the DNA is kept in the nucleus. The nucleus is surrounded by a double membrane called the nuclear envelope. Within the nucleus is the nucleolus. Answer: nucleus
Example Output: In eukaryotic cells, where is the dna kept?

Example Input: Passage: Resistance is the property that determines the amount of current flow through a particular material. Answer: resistance
Example Output: What is the property that determines the amount of current flow through a particular material?

Example Input: Passage: A heat wave over the United States as indicated by heat radiated from the ground. The bright yellow areas are the hottest, and the blue and white are coolest. Answer: bright yellow
Example Output:
In a heat map, what color represents the hottest temperatures?