What is the half-life discovered in 2003?
CREATE TABLE table_name_22 (half_life VARCHAR, discovery_year VARCHAR)
SELECT half_life FROM table_name_22 WHERE discovery_year = "2003"
### Context: CREATE TABLE table_name_22 (half_life VARCHAR, discovery_year VARCHAR) ### Question: What is the half-life discovered in 2003? ### Answer: SELECT half_life FROM table_name_22 WHERE discovery_year = "2003"