The race will decide whether Laveen Community Council member Cinthia Estela or climate nonprofit adviser Yassamin Ansari get to represent the city's most populous district, which stretches southwest from Roosevelt Row to Laveen. Both campaigns have invested heavily in their ground games, knocking on tens of thousands of doors in hopes of driving up engagement in what has been a traditionally low-turnout district, but with as many as a third of likely voters still undecided according to polling commissioned by the Ansari campaign and Estela winning the five-way primary by just 116 votes, the dark money attacks could make the difference between the two Democrats.