Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_26250176_1 (original_artist VARCHAR, theme VARCHAR)
### Question:
How many original artists were there for the Group Performance?
### Answer:
SELECT COUNT(original_artist) FROM table_26250176_1 WHERE theme = "Group Performance"