user: Question: What date was Leo Mainoldi (24) the leading scorer?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['March 2', 'Plus Pujol', '78-101', 'Alicante Costa Blanca', 'Leo Mainoldi (21)', '13-9']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Leading scorer" = 'Leo Mainoldi (24)';