Final answer:
The question asks about the number of people who signed a deposition supporting Elizabeth Proctor, Rebecca Nurse, and Martha Corey. While the specific number is not provided, many people testified in support of these women during the Salem witch trials.
Step-by-step explanation:
In the context of the Salem witch trials, the question refers to the number of people who signed a deposition attesting to the good character of Elizabeth Proctor, Rebecca Nurse, and Martha Corey. Unfortunately, the question does not provide the specific deposition being referenced, so it is difficult to provide an exact number. However, it is important to note that many people testified in support of these women during the trials.