Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Race Name | Circuit | Date | Winning driver | Constructor | Report |
| --- | --- | --- | --- | --- | --- |
| VII Race of Champions | Brands Hatch | 19 March | Emerson Fittipaldi | Lotus | Report |
| I Brazilian Grand Prix | Interlagos | 30 March | Carlos Reutemann | Brabham - Cosworth | Report |
| XXIV BRDC International Trophy | Silverstone | 23 April | Emerson Fittipaldi | Lotus | Report |
| XIX International Gold Cup | Oulton Park | 29 May | Denny Hulme | McLaren - Cosworth | Report |
| I Italian Republic Grand Prix | Vallelunga | 18 June | Emerson Fittipaldi | Lotus | Report |
Question:
Who constructed the I Italian Republic Grand Prix?
Answer:
Lotus