[Table] header: Entrant | Constructor | Chassis | Engine | Tyre | Driver | Rounds row 1 : Ecurie Belge | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Johnny Claes | 1, 3–8
row 2 : Philippe Étancelin | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Philippe Étancelin | 1, 3–4, 6, 8
row 3 : Yves Giraud-Ca | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Yves Giraud-Ca | 1, 3–4, 6–8
row 4 : Yves Giraud-Ca | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Guy Mairesse | 1, 4
row 5 : Ecurie Rosier | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Henri Louveau | 1
row 6 : Ecurie Rosier | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Louis Chiron | 3–8
row 7 : HW Motors | HWM - Alta | 51 | Alta 2.0 L4 s | D | George Abecassis | 1
row 8 : HW Motors | HWM - Alta | 51 | Alta 2.0 L4 s | D | Stirling Moss | 1
row 9 : Scuderia Ferrari | Ferrari | 125 375 | Ferrari 125 1.5 V12 s Ferrari  | D P | Peter Whitehead | 1
row 10 : Scuderia Ferrari | Ferrari | 125 375 | Ferrari 125 1.5 V12 s Ferrari  | D P | Luigi Villoresi | 1, 3–8
row 11 : Scuderia Ferrari | Ferrari | 125 375 | Ferrari 125 1.5 V12 s Ferrari  | D P | Alberto Ascari | 1, 3–8
row 12 : Scuderia Ferrari | Ferrari | 125 375 | Ferrari 125 1.5 V12 s Ferrari  | D P | Piero Taruffi | 1, 3, 6–8
row 13 : Scuderia Ferrari | Ferrari | 125 375 | Ferrari 125 1.5 V12 s Ferrari  | D P | José Froilán González | 4–8
row 14 : Alfa Romeo SpA | Alfa Romeo | 159 | Alfa Romeo 158 1.5 L8 s | P | Toulo de Graffenried | 1, 7–8
row 15 : Alfa Romeo SpA | Alfa Romeo | 159 | Alfa Romeo 158 1.5 L8 s | P | Consalvo Sanesi | 1, 3–5
row 16 : Alfa Romeo SpA | Alfa Romeo | 159 | Alfa Romeo 158 1.5 L8 s | P | Luigi Fagioli | 4
row 17 : Alfa Romeo SpA | Alfa Romeo | 159 | Alfa Romeo 158 1.5 L8 s | P | Felice Bonetto | 5–8
row 18 : Alfa Romeo SpA | Alfa Romeo | 159 | Alfa Romeo 158 1.5 L8 s | P | Paul Pietsch | 6
row 19 : Enrico Platé | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | P | Louis Chiron | 1
row 20 : Enrico Platé | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | P | Harry Schell | 1, 4
row 21 : Enrico Platé | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | P | Toulo de Graffenried | 4, 6
row 22 : Ecurie Espadon | Ferrari | 212 166 | Ferrari 375 2.5 V12 | P | Rudi Fischer | 1, 6–7
row 23 : José Froilán González | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | José Froilán González | 1
row 24 : Peter Hirt | Veritas | Meteor | Veritas 2.0 L6 | P | Peter Hirt | 1
row 25 : Ecurie Belgique | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | André Pilette | 3
row 26 : Ecurie Belgique | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Jacques Swaters | 6–7
row 27 : Pierre Levegh | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Pierre Levegh | 3, 6–7
row 28 : Graham Whitehead | Ferrari | 125 | Ferrari 125 1.5 V12 s | D | Peter Whitehead | 4
row 29 : GA Vandervell | Ferrari | 375 tw | Ferrari 375 4.5 V12 | P | Reg Parnell | 4
row 30 : GA Vandervell | Ferrari | 375 tw | Ferrari 375 4.5 V12 | P | Peter Whitehead | 5
row 31 : Equipe Gordini | Simca-Gordini | 15 11 | Gordini 15C 1.5 L4 s | E | Robert Manzon | 4, 6–8
row 32 : Equipe Gordini | Simca-Gordini | 15 11 | Gordini 15C 1.5 L4 s | E | Maurice Trintignant | 4, 6, 8
row 33 : Equipe Gordini | Simca-Gordini | 15 11 | Gordini 15C 1.5 L4 s | E | André Simon | 4, 6–8
row 34 : Equipe Gordini | Simca-Gordini | 15 11 | Gordini 15C 1.5 L4 s | E | Aldo Gordini | 4
row 35 : Eugène Chaboud | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Eugène Chaboud | 4
row 36 : Scuderia Milano | Maserati - Milano Maserati | 4CLT/50 4CLT/48 | Milano 1.5 L4 s Maserati | P | Onofre Marimón | 4
row 37 : Scuderia Milano | Maserati - Milano Maserati | 4CLT/50 4CLT/48 | Milano 1.5 L4 s Maserati | P | Paco Godia | 8
row 38 : Scuderia Milano | Maserati - Milano Maserati | 4CLT/50 4CLT/48 | Milano 1.5 L4 s Maserati | P | Juan Jover | 8
row 39 : Joe Kelly | Alta | GP | Alta 1.5 L4 s | D | Joe Kelly | 5
row 40 : BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Reg Parnell | 5, 7
row 41 : BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Peter Walker | 5
row 42 : BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Ken Richardson | 7
row 43 : BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Hans Stuck | 7
row 44 : Bob Gerard | ERA | B | ERA 1.5 L6 s | D | Bob Gerard | 5
row 45 : Brian Shawe-Taylor | ERA | B | ERA 1.5 L6 s | D | Brian Shawe-Taylor | 5
row 46 : Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | D | David Murray | 5–6
row 47 : John James | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | D | John James | 5
row 48 : Philip Fotheringham-Parker | Maserati | 4CL | Maserati 4CLT 1.5 L4  | D | Philip Fotheringham-Parker | 5
row 49 : Duncan Hamilton | Talbot-Lago | T26C | Talbot 23CV 4.5 L6 | D | Duncan Hamilton | 5–6
row 50 : Antonio Branca | Maserati | 4CLT/48 | Maserati 4CLT 1.5 L4  | P | Toni Branca | 6
row 51 : Francisco Landi | Ferrari | 375 | Ferrari 375 4.5 V12 | P | Chico Landi | 7
row 52 : Peter Whitehead | Ferrari | 125 | Ferrari 125 1.5 V12 s | D | Peter Whitehead | 7
row 53 : OSCA Automobili | OSCA | 4500G | OSCA 4500 4.5 V12 | P | Franco Rol | 7
row 54 : Prince Bira | Maserati - OSCA | 4CLT/48 | OSCA 4500 4.5 V12 | P | B. Bira | 8 [/Table] Answer this question based on the above table: In what rounds did Luigi Fagioli drive for Alfa Romeo SPA?

Answer: 4.0