Light rail in North America

Columns: City/metro area served | Country | Light rail system | Annual ridership ( 2018 )
1 | Guadalajara | MEX | Guadalajara light rail system | 103,649,000 | 2 | Calgary | CAN | CTrain | 91,029,100 | 3 | Toronto | CAN | Toronto streetcar system | 64,917,000 | 4 | Los Angeles | USA | Los Angeles Metro Rail | 64,715,700 | 5 | Boston | USA | Massachusetts Bay Transportation Authority | 53,573,900 | 6 | San Francisco | USA | Muni Metro | 49,971,700 | 7 | Portland , OR | USA | MAX Light Rail | 38,953,100 | 8 | San Diego | USA | San Diego Trolley | 37,139,700 | 9 | Mexico City | MEX | Xochimilco Light Rail | 33,766,000 | 10 | Edmonton | CAN | Edmonton Light Rail Transit | 33,891,900 | 11 | Dallas | USA | Dallas Area Rapid Transit ( DART ) | 28,759,200 | 12 | Denver | USA | Regional Transportation District | 25,669,700

Example questions:
How many lines does the light rail system in North America with the highest annual ridership have ? | In which year did the American rail system begin which serves the largest city on the light rail in North America but has less than 50k ridership ? | What is the length of the Canadian rail line with the fewest annual riders for light rail in North America ? | The successor to the light rail in North America , Pacific Electric Red Car rail system operates in a city known for which industry ?

Answers:
Two | 1981 | 24.3 km | Entertainment