CREATE TABLE table_63950 ("Name" TEXT, "GP-GS" TEXT, "Effic" FLOAT, "Att-Cmp" TEXT, "TD-INT" TEXT, "Avg/G" FLOAT)

Which Att-Cmp has a GP-GS of 7-1?
SELECT "Att-Cmp" FROM table_63950 WHERE "GP-GS" = '7-1'
SELECT "Att-Cmp" FROM "table_63950" WHERE "GP-GS" = '7-1'