In Tuesday’s primary election, one question on the San Francisco ballot is asking voters whether to approve a 300-million-dollar bond to fund affordable housing. 

The measure is called Prop A.  Advocates say it’s desperately needed to build more housing in the city. 

Critics say taxpayers have already spent a lot of money on affordable housing with not much to show for. 

Here to break it all down is Adhiti Bandlamudi from KQED’s housing desk.