rank group name nationality 2.05 2.15 2.19 2.23 2.26 result notes
rank
group
name
nationality
2.05
2.15
2.19
2.23
2.26
result
notes
number
number text text text text text text text text text text
1 a nicola ciotti italy o o o o o 2.26 q
what is the number of nationalities listed in the table ?
WP VBD-AUX DT NN IN NNS VBN IN DT NN .
14
Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword
select count ( distinct c4 ) from w
None None None Keyword Keyword Column None None None None None
['agg', 'agg_count'] ['agg', 'agg_count'] c4