CREATE TABLE table_55000 ("Fare Categories" TEXT, "Base Fares" TEXT, "Day Pass" TEXT, "7-Day Pass" TEXT, "30-Day Pass" TEXT)

Which 30-day Pass has a Base Fare of $3?
SELECT "30-Day Pass" FROM table_55000 WHERE "Base Fares" = '$3'
SELECT "30-Day Pass" FROM "table_55000" WHERE "Base Fares" = '$3'