Who did the Super Bowl 50 National Anthem?
Six-time Grammy winner and Academy Award nominee Lady Gaga performed the national anthem, while Academy Award winner Marlee Matlin provided American Sign Language (ASL) translation.
Lady Gaga performed the National Anthem at Super Bowl 50.
Complete the following task based on the instruction and optional input provided.### Instruction:
Who did the Super Bowl 50 National Anthem?

### Input:
Six-time Grammy winner and Academy Award nominee Lady Gaga performed the national anthem, while Academy Award winner Marlee Matlin provided American Sign Language (ASL) translation.

### Output:
Lady Gaga performed the National Anthem at Super Bowl 50.