My form is on a single page. If my workshop attendance question is answered "No", how can they skip the next question which is an Input Table listing

You can use the Show/Hide fields Conditions for this.

User guide: How to Show or Hide Fields Base on User's Answer

Using collapse field to have sections.

Create the condition

You can test my demo form https://form.jotform.com/90873880281970

Let us know if you need further assistance.