pos. artist single year sales peak
pos .
artist
single
year
sales
peak
number
list length
number
number
number
number <t, text> text number number number
1 daniel lavoie, patrick fiori & garou "belle" 1998 2,221,000 1
how many more sales did elton john have than lou bega ?
WRB JJ JJR NNS VBD-AUX NNP NNP VBD-AUX IN NNP NNP .
497000
Keyword Keyword Keyword Column Keyword Keyword Keyword Column Keyword Literal.String Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword Column Keyword Literal.String Keyword
select ( select c5_number from w where c2_list = 'elton john' ) - ( select c5_number from w where c2_list = 'lou bega' )
Keyword Keyword Keyword Column None Literal Literal None None Literal Literal None
['diff', ''] ['diff', ''] ['diff', ''] c5_number