CREATE TABLE table_8758 ("Player" CLOB, "Nationality" CLOB, "Jersey Number ( s ) " CLOB, "Position" CLOB, "Years" CLOB, "From" CLOB)

What is Years, when Postition is PG, and when From is USC?
SELECT "Years" FROM table_8758 WHERE "Position" = 'pg' AND "From" = 'usc'
SELECT "Years" FROM "table_8758" WHERE "From" = 'usc' AND "Position" = 'pg'