Table:
text: State Railway of Thailand
Locomotives and multiple units
Diesel multiple units
Type_ Manufacturer Numbers Year_built Quantity_built Power_horsepower Max_Speed_km_h Note_
RHN Hitachi 1011-1048 (power cars) , 11-48 , (trailer cars) 1967 38+38 220 90 Now use as a Northeastern line commuter train.
RTS Tokyu D9-D16 , (power cars) , TS4-TS7 , (center/trailer cars) 1971 8+4 220 70 Ex-Mahachai railways, to be refurbished. Similar bodyshell of THN and NKF but with different formation (power car-2 trailer cars).
THN Tokyu, Hitachi and Nippon Sharyo 1101–1140 1983 40 235 105 Similar to NKF.
NKF Nippon Sharyo, Hitachi, Fuji Heavy Industries,Kawasaki Heavy Industries, Niigata Tekkousho, and Kinki Sharyo 1201–1264, (center) 2101-2112 1985 64+12 235 105 Similar to THN, but with plastic chairs.

text: State Railway of Thailand
Locomotives and multiple units
Diesel multiple units
Type_ Manufacturer Numbers Year_built Quantity_built Power_horsepower Max_Speed_km_h Note_
ASR , (Class 158 Express Sprinter) BREL, Derby Works 2501–2512, (center) 2113-2120 1991 12+8 285 120 Metre gauge version of British Rail Class 158, with different gangways and couplers, and with inward-opening slam doors instead of plug doors. 3-car set until 2011, when all were refurbished with new seats, vinyl floors, an extra coach and new livery.
APD .20 Daewoo Heavy Industries 2513-2524 (center) 2121-2128 1995 10+8 298 120 First batch, narrow body.
APD .60 Daewoo Heavy Industries 2525-2544 1996 20+40 298 120 Second batch, wide body.

Question: In what year was the first State Railway of Thailand unit built according to this chart?

Question: Which type of State Railway of Thailand has the lowest maximum speed?

Question: Which State Railway of Thailand train has the fastest speed?

Question: From the State Railway of Thailand list, how many types of trains have a maximum speed of more than 100 km/h?