Question: What team has a National league in 2001?
SQL: SELECT "Team" FROM "2-1725690-2" WHERE "League" = 'National' AND "Year" = 2001.0;

Question: What is the league of the Third baseman player before 1973?
SQL: SELECT "League" FROM "2-1725690-2" WHERE "Year" < 1973.0 AND "Position" = 'Third baseman';