CREATE TABLE table_970 ("Season" TEXT, "Oberliga Bayern" TEXT, "Oberliga Hessen" TEXT, "Oberliga Baden-W\\u00fcrttemberg" TEXT, "Oberliga S\\u00fcdwest" TEXT)

Name the oberliga bayern for sv sandhausen for 1986-87
SELECT "Oberliga Bayern" FROM table_970 WHERE "Oberliga Baden-W\u00fcrttemberg" = 'SV Sandhausen' AND "Season" = '1986-87'
SELECT "Oberliga Bayern" FROM "table_970" WHERE "Oberliga Baden-W\u00fcrttemberg" = 'SV Sandhausen' AND "Season" = '1986-87'