What are the lengths and heights of roller coasters?
SELECT LENGTH ,  Height FROM roller_coaster
SELECT LENGTH ,  Height FROM roller_coaster
[{'Length': 3236.0, 'Height': 96.0}, {'Length': 3914.0, 'Height': 105.0}, {'Length': 4726.0, 'Height': 136.0}, {'Length': 2900.0, 'Height': 120.0}, {'Length': 1574.0, 'Height': 50.0}, {'Length': 6442.0, 'Height': 163.0}]