CREATE TABLE table_4086 ("School" TEXT, "Titles" FLOAT, "Shared Titles" FLOAT, "Runners-Up" FLOAT, "Total Finals" FLOAT, "Last Title" TEXT, "Last Final" FLOAT)

What is the minimum number of shared titles for the club whose last final was in 2006?
SELECT MIN("Shared Titles") FROM table_4086 WHERE "Last Final" = '2006'
SELECT MIN("Shared Titles") FROM "table_4086" WHERE "Last Final" = '2006'