Wikipedia entity: Glass
Topics: chemistry; mineral; color
Original sentence: Low concentrations (0.025 to 0.1%) of cobalt oxide (CoO) produces rich, deep blue cobalt glass.
Quantified sentence: British dwellings had the oldest age profile in the EU with over 60% being built before 1960, and with few being built between 1991–2010.
Quantifier: few
Percentage: 0.025%-0.1%
Specificity: partially