rank name image height
ft (m) floors year notes
rank
name
image
height ft -lrb- m -rrb-
floors
year
notes
number
first second first_number second_number
number
number
number text number number(number) number number text
1 key tower 947 (289) 57 1991 104th-tallest building in the world
20th-tallest building in the united states
has been the tallest building in the city and state since 1991
stood as the tallest building in the united states between new york city and chicago from its completion until 2007, when comcast center in philadelphia was completed
tallest building constructed in cleveland in the 1990s
how many buildings have less than 20 floors ?
WRB JJ NNS VBD-AUX JJR IN CD NNS .
2
select count ( c2 ) from w where c5_number < 20