| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | SkyTrain rolling stock - Summary |  |  |  |
| 3 | Builder | Model | Year acquired | Fleet size |
| 4 | Urban Transportation Development Corporation | ICTS Mark I | 1984–1986 | 114 cars: 001 to 056; 061 to 118 |
| 5 | Urban Transportation Development Corporation | ICTS Mark I | 1990–1991 | 16 cars: 121 to 136 |
| 6 | Urban Transportation Development Corporation | ICTS Mark I | 1994–1995 | 20 cars: 137 to 156 |
| 7 | Bombardier Transportation | ART Mark II | 2000–2002 | 60 cars: 201 to 260 |
| 8 | Bombardier Transportation | ART Mark II | 2009 | 34 cars: 301 to 334 |
| 9 | Bombardier Transportation | ART Mark II | 2010 | 14 cars: 335 to 348 |
| 10 | Bombardier Transportation | Innovia Metro Mark III | 2016 | 28 cars: 401 to 428 |
| 11 | Bombardier Transportation | Innovia Metro Mark III | 2019 | 28 cars |
| 12 | Hyundai Rotem | EMU | 2009 | 40 cars: 101 to 120; 201 to 220 |

Question: How many 150 Mark I cars does SkyTrain rolling stock have and when were they added?
Answer: SkyTrain rolling stock has a total of 150 Mark I cars: 114 dating from 1984–1986, 16 added in 1991 and 20 added in 1994.