plant name location country startup date capacity (mmtpa) corporation
plant name
location
country
startup date
capacity -lrb- mmtpa -rrb-
corporation
number
first second first_number second_number
text text text number number(number) text
qatargas ii ras laffan qatar 2009 7.8 chevron
which plant is the oldest ?
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Keyword Column Keyword Keyword Keyword Keyword Column Keyword Keyword
select c1 from w order by c4_number limit 1
None Column None Column Column None
c1 c4_number c4_number