He struck in the 2-0 triumph.
Gerrard, who led from the front as he has done throughout an unbeaten qualifying campaign, said: "Tonight we started really well. The big lesson is to play better in the second half. Against better teams we might get hurt. We need to keep the ball better.
"But what we have shown is, when the going gets tough, we don't concede goals."
England have faced some media and fan criticism throughout the campaign, but Gerrard said: "Since I made my England debut there has always been criticism from the outside. What it makes you do is work harder to prove people wrong.
"We have a great togetherness, are there for each other and proved we can perform under pressure."
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