user: Question: What is the lowest heat of the Lakeside race?
Columns: ['Heat.', 'Race Title', 'Circuit', 'Location / State', 'Date', 'Winner', 'Team']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Calder', 'Calder Raceway', 'Melbourne , Victoria', '22 Mar', 'Allan Moffat', 'Team Coca-Cola AMR']
SQL:

assistant: SELECT MIN("Heat.") FROM "Table" WHERE "Race Title" = 'Lakeside';