Query language statements are generated from natural language statements using a knowledge graph representing one or more databases. The knowledge graph is obtained by creating nodes representing tables and operations referenced by queries to the databases. The data of the databases is evaluated to identify entities and dimensions of entities from among the nodes. The entities are assigned human-understandable labels by an LLM. A natural language statement is converted to a knowledge graph language (KGL) statement and references in the KGL statement are replaced with references to entities in the knowledge graph. The KGL statement is then programmatically converted to a database language statement.