station type latitude longitude el. (m) opened closed coordinates
station
type
latitude
longitude
el . -lrb- m -rrb-
opened
closed
coordinates
address
number
number
number
address text text text number number number text
mount wilson, california solar 34o13'n 118o56'w 1737 1908 1920 34°13′s 118°56′w﻿ / ﻿34.217°s 118.933°w
when was the last recorded opening date of an observatory ?
WRB VBD-AUX DT JJ JJ NN NN IN DT NN .
1938
Keyword Keyword Keyword Column Keyword Keyword Keyword
select max ( c6_number ) from w
None None Keyword Keyword None Column Column None None None None
['max', 'max_max'] ['max', 'max_max'] c6_number c6_number