location coordinates type built details
location
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type
built
details
address
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
address text text timespan text
lekhtusi radar station, leningrad oblast 60°16′31.65′′n 30°32′45.66′′e﻿ / ﻿60.2754583°n 30.5460167°e voronezh-m -2005 operational 2009, commissioned 2012. fills gap in coverage caused by loss of skrunda-1 radar
how many voronezh radars were built before 2010 ?
WRB JJ NNP NNS VBD-AUX VBN IN CD .
2
select count ( * ) from w where c4_minimum_year < 2010