CREATE TABLE table_19974 ("Region" FLOAT, "Group A" CLOB, "Group B" CLOB, "Group C" CLOB, "Group D" CLOB, "Group E" CLOB, "Group F" CLOB)

Who is in group c when iowa is in group e?
SELECT "Group C" FROM table_19974 WHERE "Group E" = 'Iowa'
SELECT "Group C" FROM "table_19974" WHERE "Group E" = 'Iowa'