round round circuit date pole position fastest lap winning rider
round
round
circuit
date
pole position
fastest lap
winning rider
number
number parsed year month day
number text text date text text text
1 r1 jerez 18 march raymond roche stephane mertens raymond roche
what were the total number of circuits that took place in june ?
WP VBD-AUX DT JJ NN IN NNS WDT VBD NN IN NNP .
2
select count ( distinct c3 ) from w where c4_month = 6