Schwerin is the capital of which German state?

Wiesbaden is the capital of which German state? What is the capital of the German state of Lower Saxony? Hanover is the capital of which German state? What is the capital of the German state of Mecklenburg-Vorpommern? What is the capital of the German state of North Rhine-Westphalia? Düsseldorf is the capital of which German state? What is the capital of the German state of Rhineland-Palatinate? Mainz is the capital of which German state?