What-all is the lowest number conceded for the team that had less than 8 wins, score 21, and had less than 23 points?
Position Team Played Wins Draws Losses Scored Conceded Points
2004 in Paraguayan football
14889048
real text real real real real real real real
2-14889048-1
Torneo Apertura
Torneo Apertura
1 Cerro Porteño 18 12 5 1 31 13 41
2 Libertad 18 11 5 2 44 13 38
3 Tacuary 18 8 4 6 25 13 28
4 Guaraní 18 8 4 6 20 25 28
5 Olimpia 18 6 5 7 21 28 23
6 Nacional 18 5 5 8 19 24 20
7 Sol de América 18 5 4 9 14 24 19
8 12 de Octubre 18 5 3 10 18 28 18
9 Sportivo Luqueño 18 3 8 7 19 30 17
10 Sport Colombia 18 4 3 11 21 34 15
SELECT MIN Conceded FROM table WHERE Wins < 8 AND Scored = 21 AND Points < 23
8 21 23