To win the hand of which daughter did Pelops bribe a charioteer?

Pelops bribed a charioteer to win the hand of Hippodameia, who was the daughter of King Oenomaus. The context of this story is rooted in Greek mythology, specifically in the legend surrounding Pelops’ quest for marriage. Oenomaus, the king, had a practice of challenging any suitor to a chariot race, promising to reward them with his daughter's hand in marriage if they won. However, if they lost, they would face death.

To secure victory in this contest, Pelops enlisted the help of Myrtilus, the king’s charioteer. Pelops promised Myrtilus a reward if he helped him win. This strategy allowed Pelops to compete effectively, and ultimately, he triumphed in the race, thus earning him the right to marry Hippodameia.

The other options presented in the question—Andromeda, Penelope, and Electra—are all characters from different myths and do not involve Pelops in their stories. Therefore, Hippodameia is the correct answer as it directly relates to Pelops' legendary tale.