Table:
text: Amstel Gold Race
Course
Course
Number_ Name_ Kilometer Location_ Length_in_m Average_climb_
17 Plettenbergweg 159 Eys 1000 42
18 Eyserweg 160 Eys 2200 43
19 Hulsberg 165 Simpelveld 1000 77
20 Vrakelberg 171 Voerendaal 700 79
21 Sibbergrubbe 179 Valkenburg 2100 41
22 Cauberg 184 Valkenburg 1200 58
23 Geulhemmerweg 188 Valkenburg 1000 62
24 Bemelerberg 201 Margraten 900 50
25 Wolfsberg 218 Noorbeek 800 44
26 Loorberg 224 Slenaken 1500 55
27 Gulperberg 232 Gulpen 700 81
28 Kruisberg 238 Eys 800 75
29 Eyserbosweg 240 Eys 1100 81
30 Fromberg 244 Voerendaal 1600 40
31 Keutenberg 248 Valkenburg 700 94

Question: What was the name of race no. 28 in the Amstel Gold Race?

Question: What race was the Eyserweg race in the Amstel Gold Race?

Question: Which race among the Amstel Gold Races had an average gradient of 40%?

Question: What was the race length of the Keutenberg race at the Amstel Gold Race?