Table:
text: 1985 Tour de France
Stages
Stage results
Stage Date_ Route Terrain Length_ Winner
P 28 June Plumelec Individual time trial km (mi) Bernard Hinault ( FRA )
1 29 June Vannes – Lanester Plain stage km (mi) Rudy Matthijs ( BEL )
2 30 June Lorient – Vitre Plain stage km (mi) Rudy Matthijs ( BEL )
3 1 July Vitre – Fougères Team time trial km (mi) La Vie Claire
4 2 July Fougères – Pont-Audemer Plain stage km (mi) Gerrit Solleveld ( NED )
5 3 July Neufchâtel-en-Bray – Roubaix Plain stage km (mi) Henri Manders ( NED )

text: 1985 Tour de France
Stages
Stage results
Stage Date_ Route Terrain Length_ Winner
19 18 July Pau – Bordeaux Plain stage km (mi) Eric Vanderaerden ( BEL )
20 19 July Montpon-Ménestérol – Limoges Plain stage km (mi) Johan Lammerts ( NED )
21 20 July Lac de Vassivière Individual time trial km (mi) Greg LeMond ( USA )
22 21 July Orléans – Paris ( Champs-Élysées ) Plain stage km (mi) Rudy Matthijs ( BEL )

text: 1985 Tour de France
Stages
Stage results
Stage Date_ Route Terrain Length_ Winner
13 11 July Villard-de-Lans Individual time trial km (mi) Eric Vanderaerden ( BEL )
14 13 July Autrans – Saint-Étienne Hilly stage km (mi) Luis Alberto Herrera ( COL )
15 14 July Saint-Étienne – Aurillac Plain stage km (mi) Eduardo Chozas ( ESP )
16 15 July Aurillac – Toulouse Plain stage km (mi) Frédéric Vichot ( FRA )
17 16 July Toulouse – Luz Ardiden Stage with mountain(s) km (mi) Pedro Delgado ( ESP )
18A 17 July Luz-Saint-Sauveur – Aubisque Stage with mountain(s) km (mi) Stephen Roche ( IRE )
18B 17 July Laruns – Pau Stage with mountain(s) km (mi) Régis Simon ( FRA )

text: 1985 Tour de France
Stages
Stage results
Stage Date_ Route Terrain Length_ Winner
6 4 July Roubaix – Reims Plain stage km (mi) Francis Castaing ( FRA )
7 5 July Reims – Nancy Plain stage km (mi) Ludwig Wijnants ( BEL )
8 6 July Sarrebourg – Strasbourg Individual time trial km (mi) Bernard Hinault ( FRA )
9 7 July Strasbourg – Épinal Hilly stage km (mi) Maarten Ducrot ( NED )
10 8 July Épinal – Pontarlier Hilly stage km (mi) Jørgen V. Pedersen ( DEN )
11 9 July Pontarlier – Morzine Avoriaz Stage with mountain(s) km (mi) Luis Alberto Herrera ( COL )
12 10 July Morzine Avoriaz – Lans-en-Vercors Stage with mountain(s) km (mi) Fabio Enrique Parra ( COL )

Question: What is the date of a single stage terrain and a stage of 4 for the 1985 Tour de France?