user: Question: Which 30-day Pass has a Base Fare of $3?
Columns: ['Fare Categories', 'Base Fares', 'Day Pass', '7-Day Pass', '30-Day Pass']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['General', '$1.50', '$4', '$16', '$50']
SQL:

assistant: SELECT "30-Day Pass" FROM "Table" WHERE "Base Fares" = '$3';