CREATE TABLE table_16606 ("Date" CLOB, "Founder" CLOB, "Extroversion Scales" CLOB, "People-task orientation scale" CLOB, "Introverted ,  Task-Oriented" CLOB, "Extroverted ,  Task-Oriented" CLOB, "Extroverted ,  Relationship-Oriented" CLOB, "Introverted ,  Relationship Oriented" CLOB, "Moderate" CLOB)

what's the extroverted, relationship-oriented where date is c. 1928
SELECT "Extroverted, Relationship-Oriented" FROM table_16606 WHERE "Date" = 'c. 1928'
SELECT "Extroverted, Relationship-Oriented" FROM "table_16606" WHERE "Date" = 'c. 1928'