Question: What is the name of the lead character in a novel about an 18 year old with severe combined immunodeficiency, confined to her home; written by Jamaican-American author Nicola Yoon? 
Sentence (from "Everything, Everything (novel)"): Due to her condition, Madeline is stuck inside her house in Los Angeles, where she lives with her mother and a physician who takes care of her.
Relevant evidence: Yes