Can there be Multiple SMIQ?

Currently you can only have one SMIQ per quiz.  

About Single Most Important Question (SMIQ)

When building a Discovery survey users are given the option to set a SMIQ (Single Most Important Question) which is basically a Long Text type of question where the audience will have the opportunity to provide as much feedback or information as they consider relevant, the information gathered in the SMIQ helps to calculate hyper responses and create word clouds.