What-all is the average number of wins before the season in 1906 where it was 0 draws?
Season Team Wins Losses Draws
Imperfect season
14417906
real text real real real
2-14417906-6
SANFL
SANFL
1898 West Adelaide 0 14 0
1906 West Adelaide 0 12 0
1908 Sturt 0 12 0
1909 South Adelaide 0 12 0
1921 Glenelg 0 14 0
1922 Glenelg 0 14 0
1923 Glenelg 0 14 0
1924 Glenelg 0 14 0
1926 South Adelaide 0 13 1
1933 West Adelaide 0 17 0
1948 South Adelaide 0 17 0
1950 South Adelaide 0 17 0
1964 Central District 0 20 0
1995 Sturt 0 22 0
SELECT AVG Wins FROM table WHERE Season < 1906 AND Draws < 0
1906 0