<sod >The ÃÂÃÂ£1.5m operation, codenamed Conifer, only aimed to assess whether there would have been enough evidence to question the late MP for Bexley, who died in 2005.< eod>< sod > The ÃÂÃÂ£1.5m operation, codenamed Conifer, only aimed to assess whether there would have been enough evidence to question Sir Edward, who was prime minister between 1970 and 1974.< eod>