user: Question: What entrant has a P tyre and was constructed by Alfa Romeo?
Columns: ['Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Nino Farina', 'SA Alfa Romeo', 'Alfa Romeo', 'Alfa Romeo 158', 'Alfa Romeo L8s', 'P']
SQL:

assistant: SELECT "Entrant" FROM "Table" WHERE "Tyre" = 'P' AND "Constructor" = 'Alfa Romeo';