claim: Only one spectator has a seat in an all-seater stadium.
evidence: PubPsych is a vertical Open access information retrieval system for psychological resources , which gets coordinated by the research support organization Leibniz Institute for Psychology Information -LRB- ZPID -RRB- .. Open access. Open access. Leibniz Institute for Psychology Information. Leibniz Institute for Psychology Information. The search interface is available in English , Spanish , French and German .. PubPsych includes over 800.000 datasets and offers , where available , full-text linking , links to additional information and link resolving .