UPDATE CONTRIBUTETO
SET FEES = FEES + FEES * 0.01
WHERE (PaperNum,RESEARCHER) ANY (
  SELECT PaperNum,RESEARCHER
  FROM CONTRIBUTETO, RESEARCHER, PAPER
  WHERE CONTRIBUTETO.RESEARCHER = RESEARCHERID
  AND CONTRIBUTETO.PAPERNUM = PAPER.PAPERNUM
  AND CONFERENCELOCATION != 'KSA'
  AND AFFILIATION = 'Government');