CREATE TABLE table_30178 ("Proceed to Quarter-final" TEXT, "Match points" TEXT, "Aggregate score" TEXT, "Points margin" FLOAT, "Eliminated from competition" TEXT)

When london irish was eliminated from competition who proceeded to quarter final?
SELECT "Proceed to Quarter-final" FROM table_30178 WHERE "Eliminated from competition" = 'London Irish'
SELECT "Proceed to Quarter-final" FROM "table_30178" WHERE "Eliminated from competition" = 'London Irish'