user: Question: What is the minimum rnd at Laguna Seca?
Columns: ['Rnd', 'Circuit', 'Sports +2.0 Winning Team', 'Sports 2.0 Winning Team', 'GT +2.0 Winning Team', 'GT 2.0 Winning Team', 'Results']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Augusta', '#97 Shelby American', '#77 Scuderia TinCan', '#15 Shelby American', 'Porsche', 'Results']
SQL:

assistant: SELECT MIN("Rnd") FROM "Table" WHERE "Circuit" = 'Laguna Seca';