Task: Question Answering
Input (English): Passage: The "Moon Valley Short line" Railroad is losing money to the "Armstrong Trucking Company". When the railroad goes into receivership, the railroad is forced to lay off several people. The president of the railroad, Jed Carson, has acquired a hatred for the new receiver, Lawrence 'Larry' Doyle. His granddaughter, Kay Carson, also does not like Doyle. After getting himself acquainted with both Jed Carson and Kay Carson, Doyle goes and wins back some business. Kay starts take a liking to Doyle, but her grandfather still hates him. When the new customer's freight is damaged, Doyle knows it is the Armstrong Trucking Company. After talking to Doyle it is revealed that the owner of the Armstrong Trucking corp, Mr. Armstrong, had Doyle appointed as the receiver, thinking it would benefit him. However, Doyle has no plans to help the Armstrong Trucking Company. Now that the railroad has won some business back, it must work on its speed, to attract more business. Doyle asks a former railroad employee to run a fast freight to beat the trucking company's schedule. When the train is mysteriously wrecked, the town blames Doyle. However, Jed Carson does research and finds that the wreck was not Doyle's fault, and reveals it to the people of the town. Before the wreck occurred, the train beat the trucking company's schedule. When the trucking company challenges the railroad to a race for a contract, the railroad starts to win, but is sabotaged by the trucking company, which has been sabotaging the railroad all along. With no water in the water tank, the engine cannot run, but Doyle thinks up the idea to use the ice in the refrigerator cars. Cutting it close, the railroad wins, and Armstrong and his henchmen are convicted when one of the trucking company's employees writes a confession. The film ends with Kay embracing Doyle, for she has fallen for him. 
Question: What is the full name of the person whose granddaughter does not like Doyle?
Output (English): Jed Carson.