outcome no. year championship opponent in the final score
outcome
no .
year
championship
opponent in the final
score
number
number
first second second_number
number number1 number2
text number number text(number) text score
winner 1 1987 grand prix (2) dennis taylor 10-7
how long was his professional career ?
WRB RB VBD-AUX PRP$ JJ NN .
19 years
select max ( c3_number ) - min ( c3_number ) from w