Ben,
DID you not read Mayors quote above,and below,

Quote--

"The Sharks and the Hammerheads are not paying the full rate (to rent city stadiums)," Mayor Bill Saffo said. "We subsidize some of those services. We'll have to take a look at that if that petition is put on the ballot and is passed by the citizens of this community."

Unquote--

Whether City can allow Direct or Indirect use under your prtition language is not permissible