represent contestant age height hometown
represent
contestant
age
height
hometown
number
first second first_number second_number
text text number unitnum(unitnum) text
alta verapaz casetie lily dubois caravantes 23 1.74 m (5 ft 8 1⁄2 in) copan
how many delegates are not in their 20 's
WRB JJ NNS VBD-AUX RB IN PRP$ CD POS
3
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.Number
select count ( c2 ) from w where c3_number < 20
Keyword Keyword Column None Column Column None Literal None
['agg', 'agg_count'] ['agg', 'agg_count'] c2 c3_number c3_number