In this task, you're expected to write answers to questions involving multiple references to the same entity. The answer to the question should be unambiguous and a phrase in the paragraph. Most questions can have only one correct answer.

Passage: Soon after the end of World War II a young English woman, Amy Atkins, goes back to the London flat where she and her best friend, Tillie Grey, once used to live. The housekeeper Mrs. Tubbs meets Amy and reveals to her that Tillie went ill right before she was off to America to look for the man she married during the war. Tillie died from her illness before she could make her journey, and left two orphaned twin children, Joyce and Johnny Jr. To honor her old friend and make her husband honour his obligations Amy decides to make the journey that Tillie had planned and complete task of finding her husband, Johnny. Amy modifies Tillie's new passport and travels to America by boat on the ticket Tillie had bought, posing as her best friend.
The only information Amy has about her best friend's husband is that his name is John "Johnny" Grey, and that he is supposed to reside in Rochester, NY. To get more information of the whereabouts of Johnny, she asks aid from the American Red Cross. Just when Amy is about to land at the docks in New York City, a man named John Grey - a New York architect living in Rochester - gets a telegram informing him of the arrival of his wife and children by boat. This John Grey (Franchot Tone is shocked, since he is about to marry the socialité daughter, Lois (Frances Rafferty, of his boss Mr. Evans of his architectural firm that same weekend. Thinking it may by chance be a man with the same name Johnny contacts all the "John Grey"s of Rochester to find out that none were married in England. 
Question: What is the last name of the socialite Louis' father?
Evans.

Passage: Broadway star Al Howard has a habit of walking out on hit shows. His sister Molly promises his agent he will never do it again, but he is banned from Broadway. Molly tracks Al down in Mexico, where he is on a binge and tells him she is done taking care of him. When Molly runs into Dorothy Wayne a friend who is a dancer, she begs Dorothy to form a team with Al, because she can get Al a job if he has a partner. At first Molly is reluctant but finally agreed. 
It takes some work to convince Al, but he eventually agrees to form a team with Dorothy. They become a big success in Chicago. Dorothy falls in love with Al and thinking that he does not return her affection decides to quit the act. Al asks her to stay, telling her that he plans to open his own nightclub on Broadway. Molly introduces Al to Duke Hutchinson a gangster who is willing to back the club as a showcase for his wife, Luana Bell a torch singer who wants to make a comeback. Al flirts with Luana, Dorothy warns him about his involvement with Luana, but Al continues his flirtation with her. Duke gives Al an additional $30,000 to open the club, but before opening night, Al uses the money to post bond for Molly, who has been arrested on suspicion of murder. 
When Al turns down a proposal from Luana, she angrily tells Duke the club will not open on schedule, and he sends gunmen to kill Al. At the last minute, Molly is cleared of the murder and the necessary money is returned, with the show opening on time and to great applause. Duke tries to call off his gunmen, but Luana does not give them the message. Al finally realizes that he is in love with Dorothy and asks her to dinner. As they step out the door, Dorothy sees the gunmen and throws her body in front of Al. She is wounded and as Al holds her, he tells Dorothy that he loves her. The doctor proclaims that Dorothy will be fine and Al's club is a huge success. 
Question: What is the full name of the person who is the brother of the person cleared of murder?
Al Howard.

Passage: Don McKay is a lonely high school janitor who one day receives a letter from his high school sweetheart, Sonny. In it, she asks him to come visit her back in their home town, because she is dying of an unnamed disease. At first he is reluctant because he had been a suspect in a murder case there years before, but Don decides to go. He arrives and gets a ride to Sonny's house by an eccentric cab driver named Samuel.
Don meets Sonny, as well as her strange caregiver Marie. Marie's coldness towards Don makes it clear that she doesn't approve of his presence. Don spends the night, and he and Sonny make love. The next morning, Sonny's Doctor, Lance Pryce visits. While Marie and Sonny are out, Pryce attacks Don, and after a struggle, Don kills the man, and hides the body in a bed of leaves behind the garden. However, Don had just suffered an allergic reaction to a bee sting, and blacks out shortly after hiding the body. He awakens in the hospital, where Sonny proposes marriage and claims that she had recently spoken to Pryce. 
Don goes to see his old friend Otis, and tells him what happened. Otis agrees to help Don get rid of the body that night, but when he arrives it has vanished. Sonny rushes out, thinking the men are burglars, and Otis runs off. After an argument, Don returns home for a few days, eventually getting another letter from Sonny asking him to come back to her. 
Question: What is the full name of the person who attacks the janitor?

Lance Pryce.