CREATE TABLE table_51887 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

Which Crowd has a Venue of princes park?
SELECT MIN("Crowd") FROM table_51887 WHERE "Venue" = 'princes park'
SELECT MIN("Crowd") FROM "table_51887" WHERE "Venue" = 'princes park'