Ребята, подскажите, почему не работает

main.Form1.SQLQuery1.SQL.Clear();
main.Form1.SQLQuery1.SQL.Add('Insert into clients (Num, family, name,soname,birth,contact_phone,e-mail,password, percent) Values ("'+IntToStr(num)+'","'+edit1.Text+'","'+edit2.Text+'","'+edit3.Text+'","'+edit5.Text+'","'+edit6.Text+'","'+edit11.Text+'","'+edit12.Text+'","'+edit13.Text+'")');
main.Form1.SQLQuery1.ExecSQL;