season competition round opponent home away agg. bye
season
competition
round
opponent
home
away
agg .
bye
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
number number1 number2
number number1 number2
first second first_number first_number1 first_number2
timespan text text text score score score(text) text
1964-65 inter-cities fairs cup r1 everton 2-5 2-4 2-2 (a) 0
how many different competitions are listed ?
WRB JJ JJ NNS VBD-AUX VBN .
7
select count ( distinct c2 ) from w