Question: What is the Higgins with a Scallon that is 2%?
SQL: SELECT "Higgins" FROM "2-15684434-4" WHERE "Scallon" = '2%';

Question: What is the Higgins with a Davis that is 9%?
SQL: SELECT "Higgins" FROM "2-15684434-4" WHERE "Davis" = '9%';

Question: What is the Source with a Norris that is 7%?
SQL: SELECT "Source" FROM "2-15684434-4" WHERE "Norris" = '7%';