Definition from Wiktionary, the free dictionary
ποια • (poia) (interrogative)
- Nominative and accusative feminine singular form of ποιος (poios) ("who, which").
- Nominative and accusative neuter plural form of ποιος (poios) ("who, which").
The accusative feminine singular form has an alternative form - ποιαν (poian) - which should be used before vowels and before the consonants: κ, ξ, π, τ, ψ, γκ, ντ, μπ.