What spacecrafts had 22 orbital flights? 
CREATE TABLE table_179174_2 (spacecraft VARCHAR, flights VARCHAR)
SELECT spacecraft FROM table_179174_2 WHERE flights = "22 Orbital"
### Context: CREATE TABLE table_179174_2 (spacecraft VARCHAR, flights VARCHAR) ### Question: What spacecrafts had 22 orbital flights?  ### Answer: SELECT spacecraft FROM table_179174_2 WHERE flights = "22 Orbital"