no. in
series no. in
season performer appearance air date
no . in series
no . in season
performer
appearance
air date
number
number
number parsed year month day
number number text text date
268 1 tom segura only 21 january 2011
how many performers appeared on the air date 21 january 2011 ?
WRB JJ NNS VBD IN DT NN NN CD NNP CD .
2
select count ( c3 ) from w where c5 = '21 january 2011'