YOU SAID:
I had chicken for dinner last night
INTO JAPANESE
私は昨夜夕食に鶏肉を食べました
BACK INTO ENGLISH
I ate chicken for dinner last night
INTO JAPANESE
私は昨夜夕食に鶏肉を食べました
BACK INTO ENGLISH
I ate chicken for dinner last night
That didn't even make that much sense in English.