CREATE TABLE table_203_303 (id DECIMAL, "tribunal" TEXT, "number of autos da fe" DECIMAL, "executions in persona" DECIMAL, "executions in effigie" DECIMAL, "penanced" DECIMAL, "total" DECIMAL)

what tribunal had the most executions in effigie ?
SELECT "tribunal" FROM table_203_303 ORDER BY "executions in effigie" DESC LIMIT 1
SELECT "tribunal" FROM "table_203_303" ORDER BY "executions in effigie" DESC NULLS LAST LIMIT 1