博多はかた祇園ぎおん山笠やまかさだったら
hakatagion'yamakasadattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 博多祇園山笠

1. If it were Hakata Gion Yamakasa…; When it is Hakata Gion Yamakasa…

Tara Conditional