What is the capital of the Spanish autonomous community of Catalonia?

What is the capital of the German state of Schleswig-Holstein? Kiel is the capital of which German state? What is the capital of the German state of Thuringia? Erfurt is the capital of which German state? Barcelona is the capital of which Spanish autonomous community? What is the capital of the Spanish autonomous community of Andalusia? Seville is the capital of which Spanish autonomous community? What is the capital of the Italian region of Tuscany?