CREATE TABLE table_50646 ("Center" TEXT, "North East" TEXT, "South East" TEXT, "South West" TEXT, "North West" TEXT)

Who is in the south-west next to Vishnu on the east, Durga on the west, and in the center of Ganapati?
SELECT "South West" FROM table_50646 WHERE "North East" = 'vishnu' AND "North West" = 'durga' AND "Center" = 'ganapati'
SELECT "South West" FROM "table_50646" WHERE "Center" = 'ganapati' AND "North East" = 'vishnu' AND "North West" = 'durga'