What is the size difference for exa?
CREATE TABLE table_name_29 (size_difference VARCHAR, prefix VARCHAR)
SELECT size_difference FROM table_name_29 WHERE prefix = "exa"
### Context: CREATE TABLE table_name_29 (size_difference VARCHAR, prefix VARCHAR) ### Question: What is the size difference for exa? ### Answer: SELECT size_difference FROM table_name_29 WHERE prefix = "exa"