CREATE TABLE table_66844 ("Sunday" TEXT, "Monday" TEXT, "Tuesday" TEXT, "Wednesday" TEXT, "Thursday" TEXT, "Friday" TEXT, "Saturday" TEXT)

Which Thursday has a Wednesday of xingqisen?
SELECT "Thursday" FROM table_66844 WHERE "Wednesday" = '星期三 xingqisen'
SELECT "Thursday" FROM "table_66844" WHERE "Wednesday" = '星期三 xingqisen'