Question: How many city-based franchises are featured in the competition of which the "2016–17 Cool & Cool Present Jazz National T20 Cup" was the thirteenth season?
Sentence (from "2015 Haier Super 8 Twenty20 Cup"): It was played between May 11, 2015 and May 18, 2015 at the Iqbal Stadium in Faisalabad.
Relevant evidence: No