000000 - Document - Document and Entity Information link:presentationLink link:definitionLink link:calculationLink 000001 - Document - Risk/Return Summary - FidelitySAIRealEstateFundPro link:presentationLink link:definitionLink link:calculationLink 000002 - Disclosure - Risk/Return Detail Data - FidelitySAIRealEstateFundPro link:presentationLink link:definitionLink link:calculationLink