Classify this sentence as a statement, question, command, or exclamation?
What is the capital of California?
The sentence "What is the capital of California?" is a question.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify this sentence as a statement, question, command, or exclamation?

### Input:
What is the capital of California?

### Output:
The sentence "What is the capital of California?" is a question.