city country airport begin end
city
country
airport
begin
end
address
number
number
text text address number number
aberdeen united kingdom aberdeen airport 1999 2001
which two destinations were available for less than one year ?
WDT CD NNS VBD-AUX JJ IN JJR IN CD NN .
Hemavan|Umeå
Keyword Column Keyword Keyword Keyword Column Keyword Column Keyword Literal.Number
select c1 from w where c5_number - c4_number < 1
None None Column None Column None Keyword Keyword Literal None None
c1 c4_number ['comp', ''] ['comp', '']