Complex sentence: The measure, Prop A, which received over 55 percent of the vote was a response to a pro-parking measure, Prop H, funded by The Gap founder and republican billionaire Don Fisher.
Split into simpler sentences: The measure, Prop A, received over 55 percent of the vote Prop. A was a response to a pro-parking measure, Prop H, funded by The GAP founder and republican billionaire Don Fisher.