A total of NUMBER@1 clubs have competed in the SPL since its inauguration in NUMBER@2 NUMBER@3 , but only two have won the title : Celtic -LRB- six -RRB- and Rangers -LRB- five -RRB- .

Seventeen clubs have played in the SPL since it began in NUMBER@2 -- NUMBER@3 , but only two have won the title : the MISC@1 -LRB- six -RRB- and Rangers -LRB- five -RRB- .
