Ordinance approving the form and authorizing the execution of refunding bonds to refinance, in whole and/or in part, the $120,000,000 City and County of San Francisco Variable Rate Demand General Obligation Bonds (Laguna Honda Hospital, 1999) Series 2005B, Series 2005C and 2005D (the "Prior Variable Rate Bonds") or approving the conversion of said bonds; approving the form and authorizing the execution of a Declaration of Trust relating to the refunding bonds; approving the tax levy for repaymen