Table: t_1988_philadelphia_wings
Columns: date
at_vs
opponent
score
attendance
record

Question: How many were in Attendance on February 21, 1988 against the New Jersey Saints?
SQL: SELECT SUM("attendance") FROM t_1988_philadelphia_wings WHERE "opponent" = 'new jersey saints' AND "date" = 'february 21, 1988'

Question: What was the Opponent on February 6, 1988?
SQL: SELECT "opponent" FROM t_1988_philadelphia_wings WHERE "date" = 'february 6, 1988'