Table: 1923 grand prix season
[['name', 'circuit', 'date', 'winning driver', 'winning constructor', 'report'], ['targa florio', 'madonie', '15 april', 'ugo sivocci', 'alfa romeo', 'report'], ['cremona circuit', 'cremona', '6 may', 'antonio ascari', 'alfa romeo', 'report'], ['mugello circuit', 'mugello', '10 june', 'gastone brilli - peri', 'steyr', 'report'], ['savio circuit', 'ravenna', '17 june', 'enzo ferrari', 'alfa romeo', 'report'], ['san sebastián grand prix', 'lasarte', '25 july', 'albert guyot', 'rolland - pilain', 'report'], ['coppa montenero', 'montenero', '26 august', 'mario razzauti', 'ansaldo', 'report'], ['spanish grand prix', 'sitges - terramar', '28 october', 'albert divo', 'sunbeam', 'report'], ['garda circuit', 'salò', '25 november', 'guido meregalli', 'diatto', 'report']]
Statement: the Winning Driver on 15 April was Ugo Sivocci and the Winning Driver on 6 May was Antonio Ascari
Statement: on 25 July , the Winning Driver was Albert Guyot and on 26 August , the Winning Driver was Mario Razzauti
Statement: Alfa Romeo was the Winning Constructor for 3 of the 8 race , on 15 April , 6 May , and 17 June
Statement: the Winning Constructor in June and July were Steyr , Alfa Romeo and Rolland - Pilain
Statement: the Winning Driver for the Garda Circuit was Guido Meregalli and the Winning Driver for the Spanish Grand Prix was Albert Divo