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 | Date | Location | Pole Position | Fastest Lap | Race Winner | Constructor | Report |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Argentine Grand Prix | 21 January | Buenos Aires | Jacques Laffite | Jacques Laffite | Jacques Laffite | Ligier - Ford | Report |
| Brazilian Grand Prix | 4 February | Interlagos | Jacques Laffite | Jacques Laffite | Jacques Laffite | Ligier - Ford | Report |
| South African Grand Prix | 3 March | Kyalami | Jean-Pierre Jabouille | Gilles Villeneuve | Gilles Villeneuve | Ferrari | Report |
| United States Grand Prix West | 8 April | Long Beach | Gilles Villeneuve | Gilles Villeneuve | Gilles Villeneuve | Ferrari | Report |
| Spanish Grand Prix | 29 April | Jarama | Jacques Laffite | Gilles Villeneuve | Patrick Depailler | Ligier - Ford | Report |
| Belgian Grand Prix | 13 May | Zolder | Jacques Laffite | Gilles Villeneuve | Jody Scheckter | Ferrari | Report |
| Monaco Grand Prix | 27 May | Monaco | Jody Scheckter | Patrick Depailler | Jody Scheckter | Ferrari | Report |
| French Grand Prix | 1 July | Dijon-Prenois | Jean-Pierre Jabouille | René Arnoux | Jean-Pierre Jabouille | Renault | Report |
| British Grand Prix | 14 July | Silverstone | Alan Jones | Clay Regazzoni | Clay Regazzoni | Williams - Ford | Report |
| German Grand Prix | 29 July | Hockenheimring | Jean-Pierre Jabouille | Gilles Villeneuve | Alan Jones | Williams - Ford | Report |
| Austrian Grand Prix | 12 August | Österreichring | René Arnoux | René Arnoux | Alan Jones | Williams - Ford | Report |
| Dutch Grand Prix | 26 August | Zandvoort | René Arnoux | Gilles Villeneuve | Alan Jones | Williams - Ford | Report |
| Italian Grand Prix | 9 September | Monza | Jean-Pierre Jabouille | Clay Regazzoni | Jody Scheckter | Ferrari | Report |
| Canadian Grand Prix | 30 September | Île Notre-Dame | Alan Jones | Alan Jones | Alan Jones | Williams - Ford | Report |
| United States Grand Prix | 7 October | Watkins Glen | Alan Jones | Nelson Piquet | Gilles Villeneuve | Ferrari | Report |
Question:
On what date did a race occur at Long Beach?
Answer:
8 April