CREATE TABLE table_70787 ("Lithium" CLOB, "Sodium" CLOB, "Potassium" CLOB, "Rubidium" CLOB, "Caesium" CLOB)

what is the properties of sodium when lithium is h a l o g e n s and rubidium is nacl (2.1)?
SELECT "Sodium" FROM table_70787 WHERE "Lithium" = 'h a l o g e n s' AND "Rubidium" = 'nacl (2.1)'
SELECT "Sodium" FROM "table_70787" WHERE "Lithium" = 'h a l o g e n s' AND "Rubidium" = 'nacl (2.1)'