Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

He cleansed Pelops of blood-guilt in the western stream of Oceanus, and a practical joke by his uncle resulted in him ejaculating on his half-sister's thigh, making him the father of Erichthonius. He drove off the River-god Scamander to help Achilles, and the blinded Orion took his apprentice Cedalion as a guide after finding his workshop. During the revolt of the giants, he scalded Mimas with a ladle full of red-hot metal. Pandareus and Tantalus conspired to steal a golden mastiff created by this god, and his other creations include a net that caught Ares in bed with his wife. FTP name this husband of Aphrodite, the lame smith-god of the Greeks.
Social Science