star start
year end
year maximum
year maximum
magnitude distance at
maximum (ly) current
distance current
magnitude
star
start year
end year
maximum year
maximum magnitude
distance at maximum -lrb- ly -rrb-
current distance
current magnitude
first second
number
number
number
number
number
number
number
text(text) number number number number number number number
canopus (first time) -4,460,000 -4,460,000 -4,700,000 -3.99 34 430 1.5
what is the difference in the nearest current distance and farthest current distance ?
WP VBD-AUX DT NN IN DT JJS JJ NN CC JJS JJ NN .
491.4
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword
select max ( c7_number ) - min ( c7_number ) from w
None None Keyword Keyword None Keyword Keyword Column Column Keyword Keyword Column Column None
['before', 'before_minus'] ['before', 'before_minus'] ['max', 'max_min'] ['max', 'max_min'] c7_number c7_number ['before', 'before_minus'] ['max', 'max_max'] c7_number c7_number