name municipality established tower height
in meters (ft) focal plane
in meters (ft) current status current condition
name
municipality
established
tower height in meters -lrb- ft -rrb-
focal plane in meters -lrb- ft -rrb-
current status
current condition
first second
number
first second first_number second_number
first second first_number second_number
text text(text) number unitnum(unitnum) unitnum(unitnum) text text
los morrillos light mayaguez
(mona island) 1882 12 m (40 ft.) 37 m (121 ft) active restored for tourism
how many towers are at least 18 meters tall ?
WRB JJ NNS VBD-AUX IN JJS CD NNS JJ .
3
select count ( c1 ) from w where c4_first_number >= 18