What is the covalent (single bond) value of sodium?
CREATE TABLE table_name_21 (covalent__single_bond_ VARCHAR, name VARCHAR)
SELECT covalent__single_bond_ FROM table_name_21 WHERE name = "sodium"
### Context: CREATE TABLE table_name_21 (covalent__single_bond_ VARCHAR, name VARCHAR) ### Question: What is the covalent (single bond) value of sodium? ### Answer: SELECT covalent__single_bond_ FROM table_name_21 WHERE name = "sodium"